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TRrtoNG
DAI
I{OC
SUPHAM
HA
N9r
TRI'ONG
THPT
CHUYtN DHSP
I\Ie
dO : 172
A. 160 cm vd
105
cm.
C.200 cm
vA
145 cm.
of
rm rHrt
DAr
Hec
(
LAN
r)
2oro
uON vAr Li
Thdi
gian
90
phit
B.


180
cm vir 125 cni.
D. I 15 cm vA
60 crn.
CHU
f : lvf6ittri
sinh bit buQc
phAi
lAm
phAn
chung
(gdm
a0 ciu
)vi
cluqc
ph6p
lga chgn
lirm
m6t trone
hai
phAn
ri6ne
(10
ciu)
tuy
theo sO trudng cria bin
thf,n.
Ntiu thi sinh
nAo
lAm

ci hai
phAn
ri€ng thi sE khOng clrqc ch6m
ci hai
phin
ri6ng !
f.
PHAN CHUNG CHO
fAr CA cAc
THi SINH
(40
cdu, rir cau I d6n cdu 40.)
CAu
1.
MQt chdt di6m dao
dQng diOu hoi
voi
bi€n dQ 8 cm, cft m6l
pnnt
ch6t di6m
thuc hi€n
duoc
40 dao d6ng
todn
phAn.
T6c d0
cgc
dai cria ch6t di€m In
A. 33,5 cm/s.
B. l,9l crrrJs.

C.320 cnls. D. 50 cmls.
CAu2.
Trong thf nghi€m
v6
giao
thoa s6ng trOn m{t nu6c hai ngriin
ktit hqp A,B
(AB=8cm)
dao
d6ng
vdi
tAn s6 f
-16Hz,vAn
tiic truy6n
song24
cm/s.
55 dudng cuc Cai tr€n
doan AB le
A.9. B. r0.
c. 11.
D.12.
Ciu
3. Hai
s6ng
dang
sin c6 cirng
budc s6ng
vd cirng
bi6n d6, truydn nguo-c chi6u
nhau trOn

mOt
soi
dAy
vdi t6c dg 20 cm/s, tao
ra m0t s6ng di.r'ng. Khodng
thdi
gian gifra
hai
thoi di6m
gAn
nhdt
rnd d6y du6i ttring ld
0,6
s. Budc s6ng cria c6c s6ng ndy lir
A.
l2
cm.
B. l8 cm. C. 2-1cm.
D. 36 crn.
Ciu
4.
Hai con lic clorr,
cti chidu
dai dAy treo ch0nh lech nhau
55 crn, ciao d6ng
diOu hoA
tai
cirng
tlot
noi tr'6n

Triii E6t.
Trong cing rn6t
khoang thoi
gian
con lic
thf nirit thuc hien
duoc
50 dao
. ,3
ciring con
con ldc thri
hai
thg'c hi€n duoc 60 dao cldng.
Chieu dr\i diy
treo cfia cdc con
lac d6
ld
Ciu 5. Di6n ndng
o mQt
tr4m
phdt
di6n duoc truydn
di du6i
diQn rip
(d'dAu
Cuong
dAy
tdi) li
20
kV, hiQu sudt

c,iu
quri
trinh truyAn tii diQn
li H
=
80%. Mudrr
hiQu su6t cfia
qud
trinh
truyAn tAi
rlar
gi6
tri
95% thi ta
phai
A. tlng di€n
ap l€n dOn
40 kV.
B.
tdng diQn 6p
l€n d6n 80 kV.
C.
gidm
diQn
rip *u5r,g
cdn l0 kV.
D.
giAm
dien
6p

xu6ng cdn 5 kV.
Chu
6. M6t con lic
Io xo dao
d.Qng didu hod tr6n
phuong
nim
ngang vdi
bi€n dd 12 cm.
Khi
d6ng
ndng cria vAt
gdp
3
lAn
th6 ndng crha ld xo, vdt c6
li dQ
A.
+3cm.
B.
+6cm.
C.
+
6Jl crn.
D.
+9cm.
A, 1200
e.
B. 1000
g.

C.
900
g.
D.
800
g.
CAru 7.
Ph6t
bi€u
nio
sau
ddy dfng
v6i
m6y
ph6t
diQn
xoay
chidu?
A. Ddng di€n
cAm
fng chi
xudt
hi€n
o cuQn ddy crla phAn
ri'ng,
kh6ng th€ xuAt
hipn o cuQn
. ,l
oay
cua

pnan
cam.
B. TAn
s6
c0a
su6t
diQn
dQng
ti lQ
vdi
v6i s5 vdng
d6y cria
phAn
ring.
c. Bi€n d0 cfia
rudt
aien i9;g rar ring
ti te
voi
Jo
'd";;it;"
flian
*ng.
.
:
D. Co
n6ng
cung
cdp cho
m6y

dugc
bi6n dOi hodn
todnlhdnh
di€n
ndng.
CAu
8.
Con lic
iO *o
iO.tln
sO tang
gdpdOi
n€u kh6i
lugnB cria
quA
.Au
.onji" bor di
6009. Kh6i
.l
luong
cfia
qud
cdu con ldc
li
TRUONG
TF{PT cIilrYEN
ossp
FIA
NgI
-TI{I

Tr'nJ DAr Hec
LAN
l-(2010)
-
M6n
vet
li - Me
dE
n2
I
CAu
9. Ph6t bitiu
ndo
sau
cl6y
ld
sai?
Bi€n dQ
cta
dao
dQng
t6ng
hop cria
hai dao
dOng
di€u
hod
cirng
phuong
cing

tdn
s5
A,
phU
thudc
vdo
{0
l€ch
pha
cria
hai
dao ddng
thinh phAn.
B.
phU
thu6c vdo
tAn
s6 cria
hai dao
d6ng thdnh
phAn.
C. lon
nhAt
khi
hai
dao
dQng thdnh pnan
cirng
pha.
D. nhd

nhdt
khi
hai
dao
dQngrhdnh-phAn
nguqc pha.
cdu
10.
vtagh
di€n
Rr,
!', .c'
c6 tAn
s6 cQng
huong
fr.
Me:ch di€n
Rz, Lz,
Cz
c6
tAn
s6 cQng
hucrng
f2.
Bi6t
fz
=
fi.
tvtic
nO.i

ti6p
hai
mqch
d6 vdi nhau
thi
tAn rO
"qng
iru&"g
"itum4ch
sE ld
L
TAn
s6
f li€n
hd vdi
f1
theo
bi€u
thric
A.
f
:3fr
B.f:2f1
C. f
=
1,5f1
D.f:fr
CAU 11. MQt
m4ch
f1o

dOng
LC
dang phiit
s6ng
trung.
E0
mqch
d6
phdt
duoc sdng
ngin
thi phii
A.
mfc
noi
ti6p
thom
vdo
mach
mQt
cug-n aayinuAn
cam
thfc'h
hsp.
B.
m6c
nOl ti€p
th€m
vdo
m4ch

m$t di6n
troihudn
thich
hqp.
c. mic
noi
tiep
th€m
vdo
m4ch
mQt
tg dign
c6 diQn
dung
thich
hqrp.
D.
mfc
song
song
th€m
vio
mach
mdt
tg diQn
c6
cign dung
thictr'ho. p.
CAa 12. Phiii
bii5u

nio
sau
d6y
ln kh0ng
cifing?
A.
Cdm
fng
tu
do
cd
ba
cudn
dAy
gAy
ra
tai tam
stato cia
d6ng
co
kh6ng
d6ng
bQ
ba
pha
c6 d6 lon
khdng
ddi.
B.
Cdm

fng
tu
do cA
ba
cu6n
ddy gdy
ra tgi
tdm stato
cia
dQng
co
kh6ng
d6ng
bQ
ba pha
c6
phuong
khdng
ddi.
C.
Cdm
ring
tu
do
cA
ba
cu6n
ddy
g6,y
ra tai tdm

stato crja rJ6ng
ccr klrdng
d6ng
b0
ba pha
cti
huong quay
d€u.
D.
Cdm frng
tu
do
cd
ba
cu6n
ddy
gdy
ra tai
tAm
stato
c0a
rl6ng
cr.'
khdng
dorrg
bi, ba pha
c6 tAn
sO
beng
tAn

s6
ddng
di€n.
9:y 13' Ygt
d:q
mggh
A;B gdm
hai
doan
mach
nhd
AN{ vi
MB
rnic rrcli
ti5p rdi
nhru.
I)can
lracli
1Y
g9l"
di9l
oq
tl
*d9
n6i
ti6p
voi
tl
di€n
c6

diQn dung
C1. Eoar
mach
ivll;
gorn
rjion
rro
&
rnic
ntSi
ti6p
vdi
tu dign
c6 di€n
dung
C2.
Khi
ddt
vdo
hai dAu
A,B
mQt
diQn
6p
xoay
chi€i
c6
git6,rrihie;
a!,ng
U

lltt'il :p-lie"-9u1s-gifra
hai
dAu
do4n
mach
AM Id
Uy, con
diQn
6phiQu
isng gifta
['ai
d6u
dosn
mach
MB Ia
U2.
Ndu
U:
Ur
+
U2
thi
he thric
li€n
h6
nio
sau d6y
ld dfing?
A.R1R2C1C2:
l.

B.RrCz=
RzCr.
C. RrR2
:
CrCz.
D.
R1C1
:
RzCz.
Cdu 14.
Mach
di€n
g6m
di€n
trcr
R
mic nol
titip vdi
tu
di€n c6
di€n
dupg
6'
=! 1r)
.
EAt
vdo
hai
6n
9::o^ou:

mac!
mrgt hiQu
diQn
th6
xoay
chi€u
c6
tAn
s6 f
=
50
Hzvit
hidu
di6n
tnZ
nieu
dyng
U
:200
V.
De c6ng
sudt
ti€u
thg
di€n
crja doan
mach ld
P
:200
W thi gid

rri
crja
di€n rrd
R li
A.60Qhay
140Q.
B.20Ohay
180Q.
C.8,OQhay
120Q.
D.5Oehay
150C).
9i" ll_
D6
giam.c61g
su61
hao phi
tren
mQt
duong
dhy
tei
didn
xu5ng
b6n lAn
mi
kh6ng
thay
dOr
cong

sudt
truy€n
di,
ta
cAn ,ip
gUng
biQn phrlp
ndo
n€u
sau dAy?
A.
tdng
di€n
6p gifra
hai
dau
d6y
t4i
rr4m ph6t
di€n
r6n
b6n
lan.
B'
tdng
diQn 6p gifra
hai
dAu
ddy
tai

tram
phrrt
di€n
r€n
hai
ran.
C.
giAm
dulng
kinh
ti€t
diQn riay
di
bdn idn.
D. gidm
diQn
trd
dui'ng
dAy
cii hai
lAn.
CAu
16.
Con
l6c ld
xo
nim
ngung
dao
d6ng

diAu
hod
vdi
bi€n
dd
A=
8cm,
chu
ki
T:
0,5s,
kh6i
lugng
cria
vat
Id
m
= 400
g (5y
n2=r0).
EOng
ndng
cuc dai
cria
v{t
Id
4.0,12041.
8"0,240gJ.
c.2,4091.
D.

1,204]J.
?
TRTIONG
THPT
CHL,IY'€N
OMSP
}IA
NQI
-TIJI
TF{LT
f}AI
HQC I.AN
I
-1zoI
O) -
M6n
Vat
Ii
.
Ma de
I72
Ciu
17.
Chon
ph6r
bi6u
d[ng?
A.
Trong dao
ddng cudng

bftc
thi
tAn
s6
dao dQng bing
tAn s6 dao
dQng riOng.
B. Trong doi
sdng vd kithudt,
dao <i6ng tat dAn ludn
ludn c6 hai.
C. Trong doi
sdng
vd
ki thudt, dao
ddng cQng
huong ludn lu6n c6
toi.
D. Trong
dao d6ng
cudng bric
thi
tAn s6 dao dQng
li tAn
s6
cta
ngoai
lqrc
vi
biOn clQ dao

dQng
phg
thudc
vdo su quan
hQ
gifta
tin
s6 cua ngoai luc vd
tAn
sd
ri€ng
iia
con lic.
Cnu
18.
MQt con llc ld
xo dao d6ng di6u.hoi
theo
phuong
thing
d,?ng, trung
binh cri
mdi
phrit
vdt thuc
hi6n duoc
240 dao
ddng toin
phAn.
Trong

quri
trinh
dao dQng, ld
xo c6 ctrieu
aai
nhb
nndt
ta
50 cm,
chi6u ddi
lon nhdt ld 60
cm.
Chon
g6c
toa dd
d
vi
tri cdn bing;
chiAu
duorg
cria
truc
toa
d6 hudng
xuiing
dudi,
g6c
thui
gian
lA

hic
ld
xo c6
chi€u ddi
nh6 nti6t.
phucrng
trint
uen
tdc
cia
v6t
li
A.
y
=
40n
cosSn
(cm/s).
C.
y
=
40zsin 8fi
(cnls).
CAU
19.
S6ng
co hoc ld
B.
y=
40nsin(8fi

+a)(cm/s).
D.
y
=
80zrsin 8ar
(crn/s).
A. su lan truydn
dao d6ng
cta
vAt
chdt theo
thdi
gian.
-
B. nhfrng
dao dQng
co hoc lan truy6n
trong mdt
m6i truong vAt
ch6t
theo rhdi gian.
C.
su lan tod
r,6t chdt trong
kh6ng
gian,
D.
su lan truydn
biOn dQ dao
ddng cria c6c

ph6n
tu vat
chdnheo
thdi
gian.
Ciu
20.
Bu'tic
s6ng
i ld
A.
qu5ng
duong
song truydn duoc
trong m6t chu
kj'dao
d6ng cfia
s6ng.
B.
khodng c6ch
giira
hai di€m tr€n phuong
truydn
s6ng
lu6n dao
dong
cirng
pha
voi
nhau.

C. ld
quing
duong
s6ng truydn
duoc trong mdt
dcn
vi thdi
gian.
;
D. khoing
cdcli
gifa
hai rJi0m
tr0n
phuong
truydn
s6ng
gAn
rrhau
nhdt
ludn c6
citng
li
rl$
r,o'i
rritau.
Ciu ?1.
Trong nr0t
thi
ngh.igm

vd
giao
thoa s6ng trdn
mit nrL6c,
hai
rrguo:i
k6t
hrrp
A, B dao
d6:rg cung pha,
ct)nq
tin
sd f
:
32 LIz.1ai
rn0t didnr
Nf trin
mit
nudc ciich
c6c
ngu6n
A,
B
nl,ing
klroing dy
:28
cm,
d2
= 23,5c1n,
s<ing

co
bidn d0
cuc dai.
Gin'a
M vii ciu'ong
trung
t4rc
AB
co i',ai diy cuc
dai khiic.
Van
toc truydn
s6ng tr6n mdt
nrrdc lA
A. 3.1 crn/s.
8.24 cm/s.
C.44 cmls.
D.
48 crn/s.
Cfr''s
22.
Mdt
con
l6c
ld xo
gdm
io xo c6 dd cring k
:
200 N/m
vd v6t

c6
kh5i
lucrng
m
:
200
g.
con lic clao ddng
didu
hod vdi
bi0n
dd
4 cm. f6qg
qudng
dudng
vat di
cluoc trong
1-@
, 6;u
25
ti€n
ld
A. l6 cm.
8.24
cm.
C. 32 cnr.
D.48
cm.
Ciu 23.
Ph6t bi6u

ndo
sau cldy
khdng dfrng?
Cia tdc cila nr6t
vqt
dao d6ng
di€u hoi
A. ludn
hudng
vd
vi
trf
c6n
bing.
B. c6 dQ
ldn ti
l€ vdi
dQ ldn
li
d0
cria
vAt.
C. lu6n
nguoc pha
vdi li d6 c0a vdt.
D.
c6
gi6
tri
nh6

nhdt
khi vir
dOi
chiAu chuydn
d6ng.
Ciu
24.
Cudng
dQ t&c
thtvi
cfra
ddng
diQn
trong mOt
mach dao
d6ng
ld
i
:
0,05
sin 2000t
(A).
TU
rIi€n
trong
mach
c6
di€n
dung
C

=
2
pF.
Ndng lugng
cia m4ch
dao d6ng
ld
A.
0,7g.19"J.
B.
1,56.10rJ.
c.0,7g.10-3J.
D. 1,56.104J,
Cdu
25.
M6t ngu0n
6m ld
ngu6n di6nr
ph6t
dm
ding
hudng trong
khdng
gian.
Gi6 sti
khdng c6
su
hAp
thg vd
phdn

xa 6m.
T4i
mQt
di6m
cdch ngudn
6m
lm
thi
mric cudng
dQ 6nr ld iCC
dB.
Tai
di€m
c6ch
ngudn
6m
10
m thi mric
cudng
d0 6m ld
A. 120 dB.
B. 90
dB.
c.
80
dB.
D.70 dB.
TRLTONG
TFIPT
CHtrYsN

pllsp
riA
NQI
-THI
TI{tt
DAI
HgC LAN I
-(2010)
-
M6n
Vat li
-
Me
da
nz
Cdu26.
Cho hai
dao
ddng
di€u
hda
cDngphuoxg, cuirg rin
s'i'xr: sin2t
(cm)
vi
x2:2,4cos?t
(cm).
Bi€n
dd
cria dao

ddng
t6ng hqp ld
A. I,84
cm.
B. 2,60 cnr.
C.
3,40 cm.
D.6,76
cm
Cdu 27
.
Cric tinh chdt
sau, cdi
ndo
khdng
phAi
tinh chAt crla
s6ng di€n tir?
A.
S6ng di€n tu
lan truydn duoc trong ciic mdi trudng
vit ch6t va
trong chdn
kh6ng,
B. V{n
t6c
truyAn
s6ng diQn tu
phq
thuQc

vdo
m6i trudng
truyAn.
C. S6ng diQn
tir tudn
theo c6c dinh
lu4t
phdn
xa vd
khric x4 nhu
6nh s6ng tgi m4t ngdn c6ch
gifr'a
c5c m6itrudng.
D.
S6ng diQn tu
kh6ng
b! mdi trulng truyi:n s6ng hdp thr;.
Cdu 28.
Mdt
ddy ddn
c6
chi€u ddi L,
hai dAu c6
dinh.
S6ng
dtng trdn
dAy c5
bu6c s6ng ddi nhdt
le
A.LIZ.

B.LI4. C.
L.
D,zL.
Ciu 29. Trong
do4n mach
RLC ndi ti6p
dang xdy
ra
cQng
huong.
Tang
dAn
ten
sO dong di6n, gifi
nguy0n
diQn
6p
hiQu dpng gifra
hai dAu
doan mach vd
gifr
nguydn
c6c
th6ng
s5
cia
rp"h,
ktlt tuAn
nho sau ddy khdng
dring?

A. Hg
sd cdng
sudt
cta
doan m4ch
gidm.
B.
Cucrng
d0 hieu
dung
cria dong di€n
gidm,
C.
DiQn
6p hiQu
dung
gifra
hai
bdn tp di€n tdng.
D.
DiQn
6p hiQu
dung gifra
hai diu di€n
tro
gidm.
C6u 30. MQt con l6c
lo
xo
dao

ddng diAu hod v6i chu
ki
T. Khi ld
xo cria
con lic
bi cat
Ucrt ai
rn6t ntia thi
chu ki dao
dQng
di6u hoA
cia con lic li
A.T
)
t-\.
.'- I .
c.
Jlr
D.
T
E
Ciu 3I.
\46tmach
dien
rnzlc
ndi
ti8p.q6nr
euc\n ilAy
thuin cAnr
c6

d0 trrcdrn
t=J-FI,
tu
didn co
l0-
1
dierr
dung
C
-
-:-
F vd
bi6n
trd
R. Dit
vio
hai ddu
doan mach
mQt
diQn
aip xoay
chiSu
c6 tAn
sd
7r
50 Hz vd
diQn 6p
hi6u
dgng
200

JlV.
Dd
cdng sudt ti6u
thu diOn
cta doan
mach
ld 400
W,
phdi
rJi€u
chinh
bidn
trd R
dtin
erat
i
A.60
O
hay 120
A.
8.80
O
hay 120
e.
C. 40
Q.hay
160
A.
D.
30 O hay

90 CJ.
Cliu 32.
Phdt
bi6u ndo
sau ddy
ld dfng?
A. Nguoi
ta
c6
th6 tao
ra tu' truong
qua,v-
bing
c6ch cho
dong
tli€n
m6t
chidu
chay qua
nam
ch6m
di€n.
B.
Nguoi
ta c6
th6 tao
ra tu
trudng quay
bing cfch
cho

dong
diQn
xoay chi6u
chay qua
nam
chdm
di€n.
C.
Nguoi
ta c6
th6
t4o ra tu
trudng quay
bing c6ch
cho
ddng
diQn xoay
chi€u
m6t pha
chay
qua
ba cuOn
dAy
cria
stato cta
dOng
co
kh0ng
d6ng
bQ ba

pha.
D.
Nguoi
ta c6
thd tao
ra tir
trulng quay
bing
c6ch
cho
dong
diQn xoay
chidu
ba
pha
chay
qua
ba
cudn
d6y
cila
stato
cria ddug
co
kh6ng d6ng
bQ bapha.
Ciu
33.
lv{$t
'iqiig

co
kh6ng
d6ng
bQ ba
pha
hoat
dQng
binh thuong
khi hi€u diQn
thti hifu
dung
giira
hai
dAu
mdi
cuQn
ddy 1d220
V.
Trong
khi
d6
chi c6
m6t
m4ng
diOn
xoay chidu
ba
pha
do
nrdt

m6y ph6t
ra
t4o
ra,
su6t di€n
dQng
hi€u
dung
d
mdi
pha
li!
127
V.
DO
dQng co hoat
cl6ng
binh
thuong
thi
ta
phAi
mic
theo c6ch
nALo
sau d6y?
TRIJONG
THPT
cHI-iYnn
onsr,

rm NOI -THI
'f'Ilu
EAI
r{oc LAN
l-(2010)
-
IvI6n
yst
ti -
tv{6
dd 172
A'
Ba
cudn
dAy
cria
mily ph6t
theo
hinh tam giitc,
ba
cuOn
ddy
cria
d6ng
cs
theo
hinh sao.
B'
Ba
cu6n

ddy.
cta
miy ph6t
theo
hinh tam
gi6c,
ba cu6n
d6y
cia
d6ng
co
theo
hinh tam
gi\c.
C. Ba
cu6n
ddy
cria
m6y ph6t
theo
hinh
sao,-ba
cu6n
d6y cria
ddng
co
theo hinh
sao.
D.
Ba

cuOn
ddy
cria
miiy
ph6t
theo
hinh sao,
Ub'ci,O.'n
ddy cpa
dQng
co
theo
hinh
ram
gi6c.
CAu 34.
MOt
diOn
tro
thuAn
R
mic
vdo
mach di6n
xoay
chiAu tin
sO
SO
Hz.
Mu6n

a;ng
aia"
trong mach
s6m pha
hon
di€n
dp
gita
hai dAu
doqn
rngch
m6t
goc
xi2
A. nguoi
ta
phai
mic
thdm
vio
mach
m6t
tu
didn
nOi
tii5p voi
di€n
tro
B. nguoi
ta phAi

mic
thdm
vdo
mach
mdt
cu6n
cdm
thuAn
nOi
tit5p vdi
di6n
tro.
C.
ngudi
ta
phAi
thay cli€n
trd
n6i trOn
bing
m6t
tu
di€n.
D. nguoi
ta phai
thay
cli6n
trd
n6i
tr6n bing

m6t
cu6n
cam
thuan.
ciu
35.
s6ng
diQn
tu
ndo
sau
ddy
c6
khd n6ng
xuy6n
qua
tAng
dipn
li?
A'
s6ng
ddi.
B.
s6ng
trung.
c.
Sdng
ng6n.
D.
S6ng

cyc
ngin.
CAu 36'
Khi
m6c
lAn
lugt
m6t
di6n
tro
thudn,
mgt
tr4 di6n
vd
mdt
cu6n
day
thuAn
cdm
vdo
mdt
di6n dp.xoav^.|i r_!.6,di?:
df
,lie:
dule
u vd t6n
16
0
ini
cu-sg

ao aone
oien
hi{u
aolg
Juy
trong c;ic ph6n
tir
d6
c6
giri
tr!
lAn
luqt
ld 5.A; 1,25A
vd
2,5A.Niiu
Oat
vdo
do4n
ma"t g6m
aiqn
trd thuAn,
tu di€n
vd
cuQn
ddy
d6
mac'n6i
tiiip'diin
d

";C;;d"
G;;"
rht
ii"*
iiq"
chay
trong
nrach c6
gid
tri
hi€u
dyng
ld
A. 1,6
A.
9 ,6a.
c.zJt
A.
o.
Jro
e.
Cirr 37.
l'r"ong
ntdt
mach
dao
dQng gdm
cudn
ddy
thuAn

cdm
L vi
tu
dicln
C cd
dao
d6ng
clidn
tu
tir
do,
ning
lu'cr.
ng
di0n
truong
cdra
tu
cliQn
bi6n
thi€n
di€u
hoa
v6i
tAn s6
A f
=-:
tr.'/LC
B.
-f

=zrJLC
.
(j
r-
I
"
2trJ
LC
f^
n r
'll
LV
u.J-
ciu
38'
M6t
hinh
$,i.h
dung
dAy
chang
cao
su
treo
rndt
chi6c
ba ld
l€n trAn
m6t
toa

tau,
ngay
phia
trdn
mdt truc
biinh
xe
cia
toa
tdu.
Chi€u
ddi
mdi
thanh
ray
ld
l2
m,
d,.h5;a;
hai
thanh
ray
c6
mdt
khe
mhd'
Chu
ki
dao
ddng

ri6ng
c0a
chiilc
ba
le)
lA 0,8
s. Ra
16
dao
dQng
,a;;
;h;;kl"'
tAu
ch4y
voi
ttic
dd
A.
9,6 m/s.
B. 12,8
m/s.
C. 15
m/s.
D.19,2
m/s.
Cjiu 39.
Khi
mic
tp
c1i€n

c6
diQn
dungCl
vdi
cu6n
cdm
L thi
tAn
s6
clao
<J6ng
cda
mach
ld
fi
= 6 kI{2,
khi
:ti.^10
Uje"
::
dign
dung
C2
voi
cuQn
L
thi tAn
s5 dao
dQng
cia

m4ch
ld
fz=
B
kI.Iz.Khi
mic
C
1
,on,
,o,,g
C2 roi
mic vdi
cuQn
L
thi
tAn
s6 dao
dQng
cria
nrach
li
A.4,8Hfz.
8.7
klLz
C.
10
kJJz.
D. 14
kLIz.
Cf,u 40.

Xung quanh
vdt
ndo
duoi
dAy
c6
di€n
tt rruons?
A. Mgt
b6ng
ddn
d6y't6c
dang
siing
do
mic
violai
cuc
c0a ac quy.
B.
MQt
nam
chdm
thang.
C.
MQt d6y
d6n
c6
ddng
diQn

mQt
chi6u
chay
qua.
D.
MQt
ddn
6ng
hic
bit dAu
bAt.
U. PHAN
NrBXC
A.
Theo
chuong
trinh
chudn
(
l0
c6u,
til
cau
4l
d6n
c6u
50)
Cdu
41.
S6ns

lan truy€n
tir
ngudn
O
dgc
theo
rnQt
ducrng
rhing
v6i
bi€n
aO
U.,Ong
ddi
.
O thdi
di6m
t
=
0
,
dl6m
o ai qua
vi7J.a"
uairt
ln*
chi€u (+)
.
Mgt
di€m

crich
ngu6n
mQt
khodng
bing
l/4
buoc
s6ng
c6
li dQ
5(cm)
d
thdi
di6;
bing
u2
chu'k!
. nien
dQ
cria
s6"ng
le
A.
lO(cm).
g.
s
l6(cm).
C.5
J7(cm).
D.5(cm).

TRUoNG
THPT
CHUYTN
pssp
HA
NoI
-THI
THIJ
DAr
Hoc
LAN
l
-(201
0)
-
M6n
ver
li
-
Ma
dd n2
.
5
Cdu
42.
MQt
sgi d6y ddn
hdi
dAi 60
cm,

rung
vdi tAn s6 50 Hz.
Tr€n
d6y tao
thdnh
s6ng
dtmg
6n
d!nh vdi 4
bung s6ng,
hai
dAu lA 2 nfit s6ng
.
V3n t6c s6ng
trdn
ddy
ln
A.v:l5m/s.
B. v: 60 cm/s.
C.
v:
75 cm/s.
D.v:12mls.
Cdu
43.
Con
ldc don c6
d6y
treo dai 62,5
cm,

dao dQng vdi bi€n
dQ
g6c
0,1 rad
tai
noi
c5
giat6c
roi tg
do
g:
l0 m/s2. Van
t6c
cria
quA
cAu con
lic khi di
qua
vitri
cai
bdng
Id
A.
+
0,20 m/s.
B.
+
0,25 m/s.
C.
+

0,40
m/s.
D.
+
0,50
m/s.
Ciu
44.
Mach
dao dOng gdm
cuQn dAy c6 d6
tu cdm L: 1,2.10-o
H
ue
mQt
tu
di€n
c6
diQn dung
C
:
3nF.
Di6n
tro cria cuQn
dAy
ld
R
:
2
O . EC

duy
tri dao
d0ng
diQn tt trong mach
vdi
hi6u diqn
th6
cuc
dqi
Uo:6V tr€n
tg
diQn
thiphdi cung
c6p cio mgch mQic6ng
sudt
A.
0,9 mW.
B. 1,8 mW.
Cdu 45. Mach
dao
d6ng
LC
g6m
cu6n cdm
L
:
:r2=
I 0). TAn
sd dao ddng
cia

mach li
A.f:2,5H2.
B.
f
:
2,5MHz
C. f
:l
Hz.
D. f
:l
MHz
CAu
46.
O6i vOl
mOt doan
mach
xoay chiAu
R,L,C mic
n6i
titip, bi€t
ring
diQn trd
thuAn
R
I
0,
cdm
khdng
lrt

0, dung
krh6ng
Z,* A,
ph6t
bi6u-ndo sau
dAy
dirng?
A.
Tdng
trd cria
doan'mach
lu6n bing
t6ngZ:
R
+
Zy
+Zs'
B. TOng
tro
c0a
doan
mach
kh6ng th6
nhd hon cdm
V,hingZy.
C.
TOng trd
cria
doan
mach kh6ng

thO
nho horr dung
l<hitngZs.
D.
Tdng
trd
cria
doan
mach
khdng thti nho
hcrn diQn
tro
thuAn
R.
Ciu 47;
Nguoi
ta dua
mQt ddng
hd
quA
l6c
tri Tr6i DAt
l6n
Mat
Trdng md
khOng
dieu
chinh
l4i.
Cho

bitSt
gia
t6c
roi
tu do
tr€n
M{t
tiang
bing U6
gia
tdc
roi ts
do d6n
Trdi
D{t.
fheo
dOng ii
ndy
(trOn
M4t Trdng)
rhi
thdi
gian
Tr6i Odt
tg
quay
m6r vong
ld
A.2tr
(crn/s).

B.16n(cm/s).
C.32
r
(
cm/s).
A. Z1=
B.
g.
7,
=!.
"v3
C. 0,6
mW.
D. 1,5
mW.
2 mH
va tu
di6n
c6 di€n dung
C
:2
pF
(16,y
D.
1,8.10-:
c.
Khi
vatc6
li dQx=3cm
D.64

n
(
cm/s).
D. Z,
=
Jln.
Ciu 48.
Mach
di€n
xoay
chi6u
mic
n6i
ti€p gdm
mdt di0n
trd
thuAn,,rnr2t
ru
clidn c6
dung
kh6ng
3l O vd
m6t cudn
ddy
thuAn
cAm
c6
carn Urang
l9
O . He

sd c6ng
sulit crla
*ari,
la
O,S.
tOng
tr!
cua
mach
ld
A.24J6
h.
8.4h.
c. t44 h,
D.4Gh.
A.8O.
B.
16f).
c. t2o.
D.20O.
Ciu
49.
Trong
mach
dao dQng
diQn
tu lf
tuong c6
dao
dQng di0n

tu cli€u
hoa vdi
tin
s6
g6c
ot=5.106radls.
Khi di6ntichrr?cthdi
ctatudiQnld
q=Jj.l0-8Cthi
cuongdQddngdi6ntr?c
thdi trong
mach
i
= 0,05
A.
Di6n
tfch lon
nh6t cria
tq di6n
c6
gi6
tr!
A.3,2.10-8
c.
i.
:,0.10-8
c.
'
c.2,0.10:E
c.'

C0u
50. VAt
dao
dQng didu
hod vdi
biOn d0
A: 5 cm,
tAn sO
f
:
4
Hz.
thi
v6n t6c
cira
nO cO
aO
l6n li
!,
T,heo
chu'crng
trinh
Ndng
cao (
l0
cdu, trl
c6u
5r
d6n
c6u

60)
Cdu
51.
JvIQt
vat
rin
quay
quanh
*dt tru"
co
alnh
c6 momen qu6n
tinh
cttai1taoi
vOi truc quay
khdng
a6i.
N6u
t6ng
momen
lyc t6c
dung,l6n
vat
bing
kh6ng
thi
A.
mom.en
dQng
luqng

cria
vAt thay
d5i.
B.
gju
t6c
g6c
c0a vAt
thay d6i.
C. t6c
dQ
g6c
c0a vdt
khdng
ddi.
D. dQng
ndng
quay
cria
v6t thay
d6i.
Ciu
52.
M4ch
di€n
R,L,
C m8c
nOi,ti6p.
HiQu diQn
th6 xoay

chidu
d4t
vAo
irai dAu macii
c6
giri
tri
hiQu d9ng
U.
Khi
thay
ddi
C thi
thdy
hiQu
diQn
th6
hieu
dsng
gifra
hai
bAn
tu di€n dat
gi1tii
cgc
dai
Uc'u*
=
ZIJ.
Mtii

quan
hQ
gifra
cim
kh6ng
Zy
citacuQn
de"yithuAn
cAmj
t;
;ier trd
R ld
B.Zr:2R.
6
TRUONG
TI.IPT
Cr{UYPN
NUSP
HA
NIPI
-THI
T[{Lr
D4\I
HOC
I-AW
I-IZOTO).
M6N VAt
If
-
ME

dO I?2
cdu
53'
cho
hai
dao
ddng
di6u
hda
cung phuong,
cing
tAn
s6
c6 phuorg
trinh
lAn
luot
ld
ri
=6cos(l
ot*flcm
vd
Xz=Azcos(l0r
-(1.
Dao
d6ng
t6ng
hqp
cia
hai

dao
d6ng
tr€n
c6
bi6n dd
4
cm.
Bidn
d0
Az
c0a
dao
d6ng
tlrdnh
phAn
thri
hai
lA
A.
2
cm
hoic
l0
cm.
B.
4
cm
ho6c
g
cm.

C.
9 cm
hodc
6
cm.
D.
3 cm
hoEc
5
cm.
ciu
54'
Haiqud
cAu
dEc
lam
bang
cirng
mdt
loqi
thdp,.!6ng.chdt,
c6 brin
kinh gdp
2 lAn
nhau:
Rnr
2Rs.
HQ
thirc
li6n

hQ
gi*a
momen
qurin
tinh
cria
c:ic
qua
cAu
ddi
v;i
ffyc quay
di qua
tdm
crja
mdi qud
ld
A.
ia
= 4Ie.
B.
Ia:
8Is.
C.
Ia:
16Is.
D.
Ia
= 32
Ig.

Ciu
55'
MQt
v{t
rin
quay
quanh
truc
c6
dinh
theo
phuong
trinh
p
=
30
+
50t
-
tz;
trong
d6 g
ti'h
theo
rad;
cdn
t
tfnh
bing
s.

cog
vf!
quay
dugc
kc
tir
thoi
iie*
uun
dAu
cho
d6n
khi
nd
dung
lgi
li
A.
655
rad.
8.62i
rad.
C.
640
rad.
D.
1630
rad.
cau 56.
MQt

vdt
r6n
c6
m6^
1_en
qurin
tfnh
ooi
voi
.qr
rru.
quuy
,6
oi"n
ral,s
igm2,
quay
cr€u
,
trong
mdr
phrit
quay
duoc
300
vdng.
D6ng
ndng
quay
ctla

vat
Ie
A.740
J.
B.
1480
J
c.370
J.
D.
67500
J.
Ciu
57'
Titing
coi
cria
mQt
6
td
c6
tAn
so
t
ooo
gr.
O-t'o
iit.cn
duong
v6i

t6c
d6
20
m/s
.
T6c
dd
dm
thanh
tronu
kirdng
khi
ra
340
m/s.
Tan
sri
,,:u
tiene
"Jirna
*0,
nguoi
dring
6.;;#;;;
"
nghe
rhdl'
(r<rrio
td
di";

l;;
"ri
i.l"ia'
A.
1062,5
Hz.
B.
94,4,4
H2
C.l.O5g,g
Hz.
D.
g4l.Z
Hz.
,l.,l},ii,lJfL:|| ffii'r'u
ddv
ld
kh6ng
drrng
khi
"6i 't;;
men
d6ng
ru.ng
.,,,
uai.T,,
q,,o-u
A.
Dcrn
vi

do
rnomen
d6ng
luong
Ii
kg.m2ls.
B'
Mor'en
d6ng
ruo:rg
cui
vdt
rin
ti
lQ-vdi van
t6c
goc
cria
nti.
.on
,.',.n"t#|o:T
cdc
vecto"ltrc
tdc
dlrng-ii;;;;r;;;'bil;kr,6ng
rhi
mo,'ren
rl,iira
ruorg
cua

'it
D.
lvlomen
dQng
lugng
lu6n
cirng
ddu
vcii
r,,iin
t6c
s6c.
cdu
59'
IvI6t
con
I6c
do'n
vdi
hon
ui
cJrtltii
lugng
nr,
aiolong
dieu
ht\a
vdi
bi€n
d6 g6caor4i

rtoi
c6 gia
tdc
roi
tu
do g.
Ltrc
cing
ddy
N cria
con
lic
tlsn
o
vi
tri
c6
g6c
l€ch
cL'c
,jei
Ia
A.
N
=
mgsin
ao
.
B.
N

=
mgcos
ao
.
C.
N
:2rngsin
ao.
D.
N:
mg(l_
3cos
ao).
C:iu
60.
lr4dt
vdt
rdn
quay
quanh
m6t
truc
theo
phuong
trinh:
e=30-&-AJt2
'lt'ortgd6toadog6cacuavdttfnhtheoradian(racJ),cdnthoi
gianttinhtheogili-r,(s).
I)hlt
bieu

ndo
sau
diy
kh6ng
dfng?
A. VAt
qruy.ha.n
din;€u:
! 19"
40
e6c
cria
vat
Id
hdm
s6
U6c
nhdt
crja
thoi gian.
9.
Clu
t5c g6c
cria
vit
khdng
dOi
theo
thoi gian.
D'

Momen
,uc
rirc
dung
I6n
uat
kh6ng
o6i
tteo
iiroi gian.
TRLToNG
TI{PT
cFltrYpu
oilsp
nA
NQI -THI
TI{JDar
HQC
t-AN
t-izoto)
-
Ir{6n
ver
ii -
\.ra
de
r72
,

, 7

TRU'ONG
D4,I
HQC SI'
PHAM
HA
NQI
TRI-IONG THPT
CHUYTN
DHSP
nm or
z:t
7r
C.
l0
r
(rad/s)
vd
-;.
z
DE THI
THI.I
DAI
HQC
GAN
2)
-THANG
3
-2010
MON
vAr

Li(
thoi
gian
9o
phirt)
CHU
f:
p1di
ttri
sinh
bit
buQc
phii lhm
phAn chung
(gdm 0 ciu
)vi
rlu'gc
ph6p lya
chqn
lim
nr6t
trons
hai
phin
ri6ns
(10
cdu)
tuj' theo s0
tru'dng
cfra

bin
thin.
NGu
thi
sinh nio
ldm
ci hai
phin ri6ng
thi
sE
khdng
tluqc
chAm cfl
hai
phin ri€ng
!
I.
rHAN
CIIUNG
CIIO
rAr
cA
CAc
rUi
SINH
(40
cf,u,
tir cfiu
1 tl.6n
ciu

4o.)
Ciu
1. MQt
vAt dao
dQng
di€u
hda
v6i
phuong trinh: x
=
Acos(at
+
d.A
thoi
di€m
ban
dAu
t:0,
vAt di
qua vi tri cdn
bing
theo
chi6u
duong.
Bi6t
r[ng,
trong
khodng
thoi
gian

l,
aAu
ti€n,
vat
di
bU
dugc
doan
duong
Ai^gAf
. TAn
so
goc
o)vd
pha
ban
dAu
g cia daodQng
lAn
lugt
id
L
A. l0z(raci/s)
vd;.
B'20r(rad/s)
vd;.
D.20r(rarlls)
"d
-;.
C5u

2. MQt
vit dao
dQng
di6u
hda
vdi
phucmg trinh: x
=
Acos(Z}t
+
rp),trong
d6
thdi
gian
t
dugc
tinh
bing
gi6y.
Khi
vdt
c6
li dd
5cm
thi
gi6 tri vdn
tdc cira no
lit 2^[i
m/s.
Bi€n

dQ dao
dQng
cr]a
vat ld
A. 15
cm.
B.
12
cm.
C. l0
cm'
D'
8
crn'
C6u
3. a*
iir""
aiQn
gdm
hai
nh6nh
dao
cl6ng
vcri tin sO
t OO Hz,
ch4m
vdo m[t
nu6c
tai hai
di6m

Sr, Sz.
KhoAlg
c6ch
SrSz
:
10
cm.
V4n
t6c
truydn
s6ng
trdn m{t
nudc
ld l,2
mls. S5
gqii
s6ng
cgc
clai trong
khoAng
gifra
S
1
vi Sz
lir
A. 8
gon
s6ng.
B.
14

ggn
s6ng.
C.
15
ggn
s6ng.
D.
17
gon
s6ng.
CAu
4.
MQt
con
lic
ld xo
dao
dQng
di6u
hoi
tr€n
phucmg
nim
ngang
vdi
bi€n
d6
6 cm.
Khi
vdt c6

li d0 3
cm thi
A.
th6 ndng
dnn
hOi
cua
lo
xo bing
dQng
ndng
cria
vit'
B.
th6 neng
dan
hdi cua
Id xo
lon
g5p
ba
ddng n[ng
cua vflt'
C.
thC
nang
dan
hOi
ctra
lo

xo bing
m6t
nua dQng
nlng cfra
vAt'
; ;h6;;fi;;;
hdi
;;
io
*" ua"i
'it
pt'An uuiEngieng
cira
vdt
Ciu
5, Song,dtm[xdy
ra tron
sgi
dAy-ddn
trOi
Ag: 1,6
m,
voi hai
dAu
A,B
ld
hai
nut s6ng'
T'r€n
dey

thAy
cOiat
cab nut
s6ng.
TAn
sd
cua
s6ng
ld 90
l-lz.
V4n
t6c
truydn
s6ng
trdn
dAy
ld
A. 24
rnls.
B. 32
rn/s.
C.
36 m/s.
D'
40 m/s'
Cfiu
6. Hai
con
lic don
c6

chidu
dni ddy
treo
nhu nhau,
cirng
d{t trong
mQt
diqn
trudng
d€u
c6
phuong
nim
ngang.
Hon
bi
cua
con lic
thf
nh6t
kh6ng
tfch
di€n, chu
ki dao
dQng
nhd cria
n6 ld T.
Hon
bicua
con

l6c
thri hai
dugc
tich
dien,
khi
nim
c6n bing thl ddy
treo
cia
con lic
niy t4o
v6i
phuong thing
drmg
mQt
g6c
bing
60o. Chu
ki
dao
dQng nh6
cta con
lic
thir
hai
ld
A.
T.
B.+

"12
C.T.
2
D,
J-uT.
Ciu 7. Con
lic
ld xo dao
dQng
diAu
hoir
voi
chu ki T:
0,25s.
fhOi luqng
cria
vit
ld m =
250
g(ley
n2:10). DQ
cung
cira
ld xo
li
A. 80
N/m.
B. 100
N/m.
C" 120 N/m.

D.
160 N/m.
TRUONc THpT
CHUyeN
pnsp
HA
NqI
-THI
TFIJ
pAI
HQC
LAN 2-(2010)
-
Mdn
v&t li
-
Ma
d€
231
I
11ll liljtrt'
r;tr.
CAu
8.
Hai dao
dong
dieu hod
cung phuong,
cung
tAn

s6, c6
bi€n dQ
lAn
luot
ld 41
:
avir Ar=
2i.
Bi€n
dd
cira dao
dQng
t6ng hqp
ld a
:
aJ1.
D6 lQch pha
c[ra hai dao ddng
n6i tren
ld
A.3 m/s.
B.4 m/s.
C.5 m/s. D.
6 m/s.
C 3.10e
llz. D.3.l0rr
Hz.
A.2. 8.3. c.4.
D.5.
D.o.

6
C,E.
2
8.tr.
3
A.lr.
4
Cdu 9.
Phet
bieu ndo
sau ddy
khdng
clirng
khi n6i vd
dao
ddng
dj€u
hoa
cua ch6t di€m?
A. Bi€n
d6
dao dQng cria
chAt
di6m
Jd d4i luo,ng
kh6ng d6i.
B. DQng
ning
cria ctr6t di6m bitin d6i tuAn
hodn

theo
thoi
gian.
C. T6c
dd
cira chit di€m
ti I€
thuq.n
vdi
li
dQ
cira
n6.
D.
D9 lon
cria hqp lgc
t6c dgng vdo
chAt di€m
ti lQ
thuin
voi Ii dQ
crla chdt
di6m.
Cflu 10. PhAt
bi6u ndo
sau dAy
kh6ng
dring?
A. Bi6n
d6

dao dQng
cu$ng b&c
php
thudc
vdLo quan
h€
gifra tdn
s6
cira
ngoai
luc
vd
tAn
sd
ri€ng cua h€ dao
dQng.
B. Bi€n
{0
cua dao d6ng cu6ng bf.c
nhy
thudc
viro
bi6n
d0
ci.ra ngoai luc.
C. Tdn s6 crla
dao cl6ng duy
tri
li tdn
s6

ri6ng
cfra
h6 dao cl6ng.
D. TAn
sO cua dao dQng cudng birc ld tin
sd ri6ng
cria
h9 dao
dQng.
Ciu 11. M6t nguoi quan
siit
mQt
chi6c phao
tr€n
mat
bi6n
th6y n6 nhd l6n
cao
5 lAn
trong
thdi
gian
l2s.
Khodng cdch
giil;aZ
ngon s6ng ke nhau ld 12
met. Vgn
tdc
truyAn
si,ng tr€n mat

bltin
lA
Ci,u
12.
MQt s6ng
si€u dm(c6 tAn s6 3,3.10s Hz)
truydn.trong
kirdng khi vdi vAn
t6c
Ii 330 rnls.
Bi€t t6c dd 6nh
s6ng trong chAn kh6ng Id c = 3.108
n/s.
TAn sd cira m6t s6ng cli€n
tu, c6 cing
bu6c
s6ng voi
s6ng si€u Am
n6i
tr€n, c6
gi6
tri
A.3.lo5
Hz. B.3.lo7
Hz.
Ciu
13. Mdt ngudn
dm duo,
c
coi nhu m6t

ngu6n
di6m,
phiit
m6t c6ng sudt 6.m thanh
1W.
Cuong
dQ
dm chuAn
Io: I0-r2
1Wtn2;.
N'10i truimg coi
nhu
kh6ng hdp thp vd
phdn
xa dm
thanh. Mr?c
cuong
dQ 6m tai
m6t ditim c6ch ngu6n i0 m ld
A 83 dB.
B. 86
dB.
c. 89 dB.
D.93 dB.
CAu 14.
Phdt
bi6u
ndo
sau ddy
vd

s6ng co
ld
khdng
dfng?
A.
S6ng co hpc ld
quri
trinh lan truydn dao
d6ng
co hoc trong
mQt
rndi truong vAt
ch6t.
B. S6ng ngang Ii
s6ng
c6 ciic
phAn
tir rn6i
trudng
dao ddng
theo
phuong
ngang.
.
C.
S6ng
doc Ii
s6ng
c6 cdc
phAn

tu m6i trudng
dao
ddng theo
phuong trung
voi phuong
truydn
s6ng.
D.
,rlu6c
s6ng ld
qudng
duong
s6ng
truydn
duo. c trong
mOt chu
kj'dao
dgng
cua
s6ng.
Ciu 15.
Tren mflt nu6c c6 hai nguOn
s6ng
gi6ng
nhau
A
vd
B, ciich
nhau
khoing 12

(cm)
dang
dao
dQng vudng
g6c
vcii
m{t nudc t4o ra
s6ng
c6
budc s6ng
1,6 cm.
Gqi
C. ld
di6m tr€n
mpt
nudc,
c6ch
d6u
hai
ngudn vd c6ch
trung
di6rn
O cua AB m6t
khoAng
8
(cm).
SO
aiem
dao
dQng

ngugc
pha
vdi
ngu6n d tr€n doan
CO
ld
Cffu 16.
M4ch di€n xoay
chidu
mic nOi ti6p
g6m
mQt di6n
tro thuAn
R
:
50 C),
mQt tp diQn
c6
ctign
dung
C
:
I {1r1vd
cu6n
dAy
thuAn cAm
c6
d9
tu carn t
:

)-@)
. D4r
vdo
hai
dAu mach
mgt
E
4n'
di€n
6p
xoay chidu u
:
l00JI cosLrft
(V)
thi
dong diQn trong
mach
c6 culng
d6
hiQu dung
I
=
2
(A).
Ten
s6 cria ddng
dign
trong
mach li
A.

50 Hz. B.50Ji
Hz.
C. 100 Hz. D.200H2.
Cdu
17. Edt vio hai
diu
rndt
doan mach RLC
kh6ng
phdn
nhrinh mQt
dien ilp xoay
chiAu
/\
u
=
Uo
cosrot
thi
ddng
di0n
trong m4ch lir i
=
lo
cosf
rot
-
{ |
. Ooan
mach

diQn
ndy
lu6n c6
\
b/
A.
Z,_
=
P.
B.
Zt-
<
Zc.
C.
Zr=
Zc.
D. Zy>
Zc.
7
TRLTONG
THpr
cHUyeN
pusp
HA
NQI
-TiIt
Tl{u'DAr
Hec
LAN
2-(2010) -

M6n
vat tt
-
Ma da 231
Ciu
18.
Mach
diQn
xoay
chidu
m6c
nOi
tiep
g6m
mQt
diQn
tro
thuAn
R:
100f),
mQt
tu
diQn
c6
di6n
dung
C
vir
m6t
cu6n

d6y
thuAn
cdm
c6
dQ tU
cdm L
:!@)'
Eien
6p
xoay
chiAu
dat
vio
hai
lt
dAu
do4n
mach
co bi6u
thuc
u:
U
Jlcosytft,
trong
d6
U:
const
cdn
f thay
d6i

duqc'
Khi
thay
d6i
tdns6ftdi
gi6tri
fr:50Hzhoac
fz=200H2
thi
cubngdQdongdiQntrongmachc6cing
mQt
gi6
tri hiQu
dung.
DiQn
dung
C
cira
tq
diQn
ld
o
tl1,o,
B
9ro,
c
Tl,o,
D
9tol
4tt

'
2n'"'
2t
'' '
8a
t
Ciu
19.
Khi
dua
con
l6c
don
l6n
cao
theo
phuong
thing
J*t
t
b6
qua
su
thay
AOi
cua
chiAu
dii
day;"
con

l6c)
thi
tAn.s6
dao
ddng
di€u
hda
cira
n6 sE
A.
gidm vi
gia t6c
trong
truong
gi6m theo
dO
cao'
B.
t[ng
vi chu
ki
dao
ddng
giim'
,
.
'
C. tan!
vi tAn
sO

ti
tC
lghi.ch
vdi
gia
t6c
trong
truong'
.
-:_
.4^ r-^ + ),
D.
khdng
AOiriti"
15
iuo
AOng.
Jua
n6
kh6ng
phu
thu6c
gia
t5c
trqng
trudng'
. .:
Ciu
20.
Trong

mach
nf-b
-a
n6i
t#p,
dd
lech
pha c;a
ddng
diQn
so
vdi
diQn
6p
gita
hai
ddu
doan
m4ch
phu thu6c
vdo
A.
cucrng
dQ
ddng
diQn
hiqu
dpng
trong
m4ch'

B.
diqn
6p
hiQu
dung
gifra
hai
ddu
do4n
m4ch'
.
r
C.
dflc
tinh
criarnacf,iien
vd.tdn
sO
ddng
diQn
xoay
chi6u'
D.
cfch
chon
goc thdi
gian
d0 tinh
pha ban
diu'

Ciu
21.
MQt
m6y
ph6t
diQn
ba
pha m6c
hinh
sao
c6
diQn 6p
higu
dgng
pha
127,
V
vir tAn sO
S0gz'
Nguoi
ta dua
dong
ba
pha
vdo
ba
tai
nhu
nhar,nat
irin1,

i*
gia",n,Ol
iai
c6
dien
trd thuAn
24 A
vi,-cdm
kh6ng
32
A
'
C6ng
suAt
do
c6c
tAi ti€u
thp
ld
A.726W.
B.
2178W.
c'
1089
w'
D'3267W'
Cau
ZZ.iniii6,
nao
sau

dAy
dirng
vdi
m6y
ph6t
di€n
xoay
chiAu?
A.
Ddng
didn
cdm
r?'g
chi
xu6t
hiQn'o
cu6n
dAy
cira
phin img,
kh6ng
th6
xu6t
hien
o
cuqn
dAv cria ohAn
cdm.
'
-

t
Ta"
rA
c6a
sudt
diQn
dQng
ti
le
voi
voi
sd
vong,ddy
cira
phdn
rJm.g-
C.
Bi€n
dQ
cia
su6t
dign
dQng
cnm
tmg
ti
lQ
v6i
s6
vong

ddy
cua
ph6n
img'
D.
Co nlng
cung
cAp
cho
may
duqc
bi6n
d6i
hodLn
toin
thinh
di6n
ndng
Ciu
23.
Trong
do4n
m4ch
xoay
chi6u
RLC
n6i
ti€p.
Gc.'i
U,

V*,
Ur,
Uc
lin
luot
ln hiQu
diQn
thd
hiqu
dung
gita
hai
;il;;u;
;ach,
hai
<lAu
diQn
tro
R,
hai
diu
cu6n
dAyL
vd
hai
bin
tu diQn
C'
PiCu
"ao

tuu
d6y
khdng
th6
x6Y
ra
A. un
>
Uc.
B,
U'jfi.:
ur
=
Uc.
C.Un>U.
CituZ4.ChoncAu
dirng
khi
n6ivd
dong
diQn"xoay
chi€u?
A.
C6 th€
dirng
CIng
diQn
xoay
chidu
d€

ma
diQn'
B.
Gi6
tri
trun!
binlicua
cuoTg
dQ
ddng.diQn
tro.ng
mQt
chu
ki b[ng
0.
c. EiQn
l,rsns";|u.,j;
*
ii5.
aie"
triang
cua'dly
ia"
co
dong?ign
xoav
chiAu
chpv
qua
trong

mdt kironng
tfiol
gian UAi
tcy
d€u
bdng
kh6ng'
1
D. Cdng
suAt
tda nhi€t
trung
binh
cua"ddng
Eien
xoay
chidu
bi6n
thrcn
diAu
hda
'
r n-l
Ciu
25.
Mach
diQn
gdm diQn
tro
R

=
30.,64
nOi
ti6p
voi
tu dien
C
=
1ll-p
'
DiQn
6p
ttic thoi d
hai
dAu
doan m4ch
li
u
=120J-2cosl00llt
(V)
.
Dign
6p
higu
dgng
o hai
diu
diQn
tro
R

Ii
A.U*=60V.
B.U"=120V'
C'U*=60 ,f2V'
D'.U*=60'f3V'
Ciu26.BQ
phan
niro
dudi
dAv
khong
c"-Toig.t:
go,qoi
ctia
mQt
m6y
phr{t
vO
tuv6n
diQn?
A. M4ch
bitin
diQu'
B'
Mqch
khu€ch
dai'
C.
Anten.
D.

Mach
trich s6ng'
TRuoNG
THFT
cHUyEN
oHsp
HA
Ner
-Tiil
iHU'DAr
Hec
r,Ax
z-izolo)
-
Mdn
\rai li
-
Ma
da 231
.,-
.3
,
Cfr.u
27,.Di6n
ning
o mQt tram ph:it
di€n duoc
truy€n
di
duoi diQn

6p
2 kV vd
c6ng
su{t
200
k;.
HiQu
sd chi
cua
c6ng
to o
iram ph6t.vd
c6ng
to
t6ng
o' noi
ti6u.
thp
iau m6i ngiy
d€m
ch6nh
l€ch
nhau
480
kWh.
Cdng
sudt hao phf
ti6n
duolg
day

va
hi€u
su6t cria
qu6
trinh
truydn tai
dien
iA;
luqt
ld
A.
100
kW;
80%.
B. zrL.
Q"
B.
83
kW
;85Yo.
C.22tQ,lo.
C.20
kW;90Yo.
D.40
kW
;95%.
Ciu
28.
M6t
mach

dao dQng If
tuong
(g6m
cudn
ddy
thuAn
cdm vi
tu dien)
dang thuc
hi€n
dao
dQng
diQn tu
tu
do. Goi Io ld dong
diOn cuc dai
trong
mach,
Q.
ld diQn
tich cgc dai
cria tu di€n.
Chu
ki ri6ng
cta
mach
ld
A. 2rL.
In
c.

0,420.
D.0,120.
D.
Q"
2trl
o
CAu
29.
MOt
lang kfnh thrly
tinh c6
g6c
chi5t
quang
A:
50
(duo.
c coi
ld
g6c
nhd).
Chi€t suAt
cria
thrly
tinh ldm
l6ng
kinh d6i v6i
ilnh sring d6 vd
6nh
siing

tim
lAn luqt la;:
1,643 vitnt
=
1,685.
Chi€u
mdt
chirm
sring trdng hep roi
viro
mdt b€n
cria idng
kinh dudi
g6c
toi i
nho.Quang phd
cho
bJ, iirrg kinh
co dQ
rQng
g6c
A.
0,310.
B.
0,210.
Cfiu
30.
HiQn
tuqng
quang

di€n trong
A. ld
hiQn
tugng electron
hAp thg
photon
c6
ning
luqng
dt lon
dC brn ra kh6i ttrOi
ctr6t.
B.
hi€n
luqng
electron chuy6n
ddng
manh
hcrn
khi trdpltru photon.
C. c6
th€ xiy ra vdi
6nh siing c6
budc
s6ng U6t
tg.
D.
xiy
ra
vdi

ch6t
b6n din khi 6nh
s6ng kich
thich
c6
tAn sO tor"'
hcm
mQt
tAn sd
gioi
h4n
Ciu
31. Trong
thi nghi€m
l-dng
(Young).
vd giao
thoa
6nh
s6ng, khoing
crich
gifra
hai
khe
SrSz li
1,0 mm. Khodng
c6ch tu
mdn
quan
srit

d6n mdt
phing
chira
hai khe
S1S2
lir 2,0
m. Chi€u
vdo
khe
S
d6ng
thoi
hai 6nh
s;ing clon
sic
c6
budc
s6ng
l,
=0,41an
vd .\
va 0,5Apn<4<0,65pt.
'lr€n
min,
tqi di6m
M
c6ch
vAn trung
tdm
5,6 mm

c6 vAn
s6ng
cing mdu vcri vAn
s6ng trung
t6,m.
Budc
s6ng )"co
gi6trilir
A. 0,52
trm
.
B. A,56 pm.
C. 0.60 pr.
D. 0,621un.
Cdu
32.
Quang
di€n tro
duoc ch6
t4o tu
A. ch6t
b6n d5n vd
c6 ddc
di6m ld
d6n
di€n
kdm
khi
kh6ng
b!

chi€u
s6ng
vd
tro
n€n
d5n
di€n
t6t khi duoc chi6u
s6ng thicl
hqp.
B. kim
lo4i vi c6
ddc di€m ld
diQn tro
su6t cira
n6 tdng
khi c6 6nh
sring
thfch hqp
chi6u
vio.
C. chdt
bdn ddn
vd
c6
d[c di6m
ln d5n diQn
tdt
khi khOng
b! chi6u sdng vd tro

n€n d6n
diQn
kdm
khi duo.
c chi6u s6ng
thich hqp.
D. kim
lo4i
vi
c6
d[c
di€m
ln di€n
tro su6t cria
n6
giAm
khi c6 rlnh
s6ng
thfch
hq
p
chi6u
vio.
Ciu
33.
Cho cic ngu6n
s6ng
g6m:
1.
ddy t6c v6niram

n6ng siing nim
trong
bring thiry
tinh de
rirt kh6ng khi
d6n
6p
su6t r6t
thdp.
2.hat
natri
(Na)
voi itp
su6t rAt thdp.
3. ddn
hoi thuy
ngin c6 6p
sudt vdi
atmdtphe
(ddn
cao
6p) dung ldm ddn duong.
Nhimg
fBu6n
s6ng cho
quang
phd
vach
ld
A.

ngu6n l.
B. ngu6n 2.
.
C. ngudn
I
vit2.
D. cd ba ngu6n.
Ciu
34.
Trong thf nghigm
giao
thoa 6nh
s6ng, do
duoc khodng
c6ch
tu
vdn
sring thri 4
ddn vin
srirrg
thri
I0 C cung m6t
phia
eOi vcvi v6.n sfng trung
tdm
'd2,4
mm. Khoing
crich
gifra
hai khe I-

dng
li
lmm,
khoing
c6ch
tir
min chrla
hai
khe
t6i
min
quan
s6t
li
lm.
Budc s6ng
6nh
sdng dsn
,
sdc
dirng
trong
th(
nghiQm
li
A.
0,40
pm.
B.0,45
pm.

C.068pm.
D.
l": 0,72
pm.
TRUONG
TFIPT
CHUYex
oHsp
HA NQI
-THi
THLJ DAI
HgC L,A-N
2-(2010)
-
M6n
vrit
li
-
Ma de 23 I
4
Ciu
35.
Gi6'i
han
quang
di€n
cua
nrdi
kim loai
ld

A. budc
s6ng
dhi nhAt
cira bgc
xa chi6u
vdo
kirn loai do
md
g6y
ra dugc
hiqn
tuo.ng
quang
diQn.
B. budc
s6ng ngin
nh6t
cria
buc xa chi6u
vdo kim loai d6
md
gdy
ra
duoc
hiOn
tugng
quang
diQn.
C. cdng nho
nh6t

dnng
d€
birt
electron
ra
khoi
b€
mat kim
loai
d6.
D. cdng lon
nhAt
dnng
d€
but
electron
ra
khoi bA
mat kim
Io4i
d6.
CAu
36.
Ph6t
bi6u nio
sau
dAy
ld sai
khi n6i
vA

tinh
chAt
vd
tic
dung
cria tia
Ronghen?
A.
f ia Ronghen
c6
khd
ning
dAm
xuydn
manh.
B. Tia
Ronghen
t6c
dung
manh
l€n kinh
Anh, ldm
phdt
quang
mQt
s6
chdt.
C. Tia
Rcrnghen
bi

l€ch
trong
di€n truong.
D. Tia Rcrnghen
c6
t6c
dqng
sinh
li.
Cffu
37.
Ph6t bi€u
nao
tuu
ddy
vA
tia h6ng
ngo4i
ld
kh6ng
ching?
A.Tia hdng
ngo4i
do
c6c
vdt nung
n6ng
ph6tra.
B. Tia hdng
ngo4i

ldm
phrit
quang.mQt s0
ch6t'
9 li.
aung
nOi bat
nh^6t
cua
tia hdng
ngo4i
ld tric
dung nhiQt.
D. Tia
h6ng
neoai
c6
tdn
s6
nho
hon
4. lOra I
Iz'
Cflu
38.
Theo
quan
<Ji"em
cua thuy€t
Iuqng

tfr
enh sring.
ph6t
bi6u
nio sau
ddy
ld
khdng
dirng?
A.
Chirm
6nh
s6ng
ld
mQt
ddng
hat,
m6i
trat ld mot
ph6t6n mang
ndng
lugng.
B.
Cuong
dd
chum
s{ng
ti l0
thu{n
voi s0

phdtdn trong
chum'
C. Khi
rinh sAng
truydn
di
c6c
ph0t6n 6nir
s6ng
c6 ning
lugng
kh6ng
ddi,
kh6ng
phu
thuQc
khodLng
c6ch
d6n
ngu6n
s6ng.
D. C6c
phdt6n
c6 nlng
lugng
bing
nhau
vi ching
lan
truydn

voi
vdri
toc bing
nhau.
^
.
^r
Ciiu
39.Cho
b1€t:
hing
s6
eleng
h:6,625.19-'oJ.r,t6c
d0 iinh s6ng
trong
chdn
kh6ng
c =3.10o
m/s.
dd lcm diQn
tfch
cla
electron
e:
1,6.10-reC.
C6ng
tho6t
electron
cira mQt

kim
loai lii
A = 3,6
cV. Gioi
han
quang cli6n
cira
f.im
lsai
'i5
ld
A.l,35pm.
8.0,3451m'
C.0,321ptn.
D'0,476pn'
Cffu
40. Cho
bitit:
hing
s6
Plang
h
:6,625.10-ra.l.s,
t6c dg
anh s6ng
h'ong
chdn
kh6ng
c:3.108
m/s.

rrrOi
rgrar
pnar
j"rr
s6ig
don sic
"6
bu6c
s6ng
0,45
prn.
Cdng
,uAt
.ilu ngudin
1
24
w. 56
photon
mir ngudn
ph6t ra trong
m5i
giAy ld
.,
"
A,5,43.1Ore.
8.5,43.1020
II.
PHAN
RIENG
A.

Theo
chuo1'g
trinh
ChuAn
( 10
cf,u,
til'ciu
41 cl€n
cf,'
50)
CAu
41.
MQt
con
llc lo
xo
gdm ld xo
c6
dQ
cfmg
20 N/rn
vd vi€n bi
co khi,i
luong
0.2 kg dao
dQng
di6u hda.
Tai thoi
di6m
t,

v4n
t$c
vd
gia
t6c
cua
vi€n bi
lAn luqt
li
20 cm/s
tit 2.,[i
m/s2. BiCn
dO
c.3,26.1020
D.3,26.101e
dao
d6ng crla
viOn
bi
li
A. l6cm.
8.4
cm'
D.
10.,6
cm.
C21u
42.
Khi
mic

tu dign
c6
diQn dung
C1
voi cuon
cAm
L thi tAn sd
dao
dQng
cria
m4ch
lA fr
=
6
kHz,
khi
mic t9
diQn
c6
diQn
dung Cz
v6i
cu6n
L
thi
tAn sr5
duo
dQng cria
m4ch
li fz:

8 kHz.
Khi
mic Cr
n5i tiiip
vdi
C2
r6i
mic
v6i
cu0n
L thi
tAn s5
dao dQng
cria
m4ch
ld
A.4,8
kHz.
B.'|ktlz.
C.
l0 kHz
D'
14
kHz''
Cffu 43.
phAn
tmg
cria
mQt mdy
phbt diQn

xoay.chiAu
c6
200
vong
day
eitine
nhau.
Tir
th6ng-qua
mQr
vong
diy
c6
giat
i
cuc
aaitig,xmwb
vd
bitin
thi€n
diau hda
voi
tan
s6
50
Hz.
SuAt
diQn
dQng
do m6y

ph6t
ra
c6
gi|trihi€u dpng
ld
c. 88 858
V.
D. t2
566V.
A.8,88
V.
8.12,56V
"
C.
4.6cm.
TRuoNG
Tr-rpT
cHUytN
nusp
HA
NQr
-TFll
THLI DAI
HqC
LAN 2-(2010)
-
M6n
vat lf
-
Me

da
231
5
Ciu
44.
MOt mach
dao dong LC
dang
birc
xa
duoc s6ng trung. D6
mach d6
bfc
xa duoc
s6ng
i .
ngan tnr
phal
A.
mic nOltiep
th€m
vdo maih
m6t cu0n
dAy thuin cdm thfch
hqp.
B.
mic nOi tiep thdm
vdo
mach
mdt di€n tro thuAn thich

hqp.
C.
mic nOi tii5p thdm
vdo
mach mdt tu di6n
c6 di6n dung
thfch hqp.
!
D. mdc song
song th€m
vdo mach
m6t tg diQn c6 di€n
dung thich hoo
Cdu
45.
Mach
di€n xoay chidu
gdm
dign
trcv thuAn R
:
30
(A)
mic nOi ti6p
vdi
cuQn dAy. DEt vdo
hai dAu mach m6t di6n 6p xoay
chidu
u =U".Dcos(I00.a)(V).
DiQn 6p hiQu dung o

hai dAu
cuQn
dAy li Ua
:
60 V. Dong di6n trong mach l€ch
phu
l
so voi u vd l6ch
phu
4
so
voi u6. Cuong
dd
63
hi6u dung cira dor.rg di6n trong rnach c6
gi6
tri
A 2J1 A.
8.2 A.
c.6a D.3
A,
Cdu
46.
Mach
dao
dQng
g6m
cudn
dAy c6 dQ tg
cAm

L
:
1,2.104
FI
vd
m6t
tp diQn c6 diQn dung
C
:
3 nF.
Di€n
tro
thuin
cun
mach
Id R
:
2
O . Od duy tri dao
dQng
diQn tu trong mach v6i
hi€u diQn
th6 cuc dai
Uo: 6
V
tr6n tu dign
thi
phni
"ung
cAp cho

mach
mQt c6ng suAt P le
A.
0,6
mW. B.
0,9
mW.
C. 1,5
mW.
D. 1,8
mW.
Crtu
47.
MQt dao dQng di0u hoa c6
phuong
trinh x
=
-5cos(5zr
-
!)Gr).
Bi€n
d6 vi pha
ban
'2
dAu cria dao dOng ld
A.5
cm;
-L
rad'.
C. 5 cnr

;
zr
rad.
B.5cm:Lre,J.
2
D. -5
cm
;
0 rad.
Ciu
48.
Phft bidu nio sau ddy khdng dfrng?
A. AT nghe dugc c6 tAn
s6
nim trong khodng
tu 16
Hz
d6n
20 000
Hz.
B. VC
bdn ch6t
vdt li thi
s6ng
6rn,
sirng
si€u
dm vi
s6ng ha im
khOng c6

gi
khhc nhau,
ch0ng
dAu lA
s6ng
co.
C. Song si€u 6m ld s6ng Am
duy
nhdt ma tai ngudi
kh6ng nghe duoc.
D.
S6ng im
ld
s6ng doc truydn
trong
cAc
mdi
:rudng vdt
chdt nhu rin,
long hodc khf.
CAu
49.
Chi€u mdt buc xa don sic c6 buoc s<ing A
=
0,66pnr tii
kh6ng
khi
vdo
thuy tinh
c6

chi6t
i,
sudt
fmg vdi
buc xa
d6
bhng 1,50. Trong thuy
tinh
bric
xa
d6
c6
budc
s6ng
4,0,40
pm,
B. A,66
pm.
C.0,44
1tm.
D.0,99
pn.
Ciu
50. Hiqu diQn th6
gita
an6t
,rd
cat6t cta mQt
Ong Ronghen
ld U

=
25 kV. Coi
vAn tdc
ban diu
cira
chirm €lectrdn
phrit
ra tu catdt bing khdng. nitlt hing
sO Pleng
h:6,625.10-3'Js,
dien
tich nguydn
t6 br:ng I
,6,
I 0-reC.
Tin
sd
lon
nhAt
cira
tia Rong:hen
do 6ng ndy
c5 th€
ph6t
ra ld
A.
6,038.
1018 Hz. B.
60,380.10rs IIz.
C.6,038.10'tl{r. D. 60,380.10'8Hr.

B. Theo
chu'o'ng trinh Ning cao
(
10 ciu, tir
cAu 51
tltin
ciu
60)
Ciu 51.
Chgn cdu khOng
dring
khi n6i
vd chuy6n
d6ng
quay
cria mdt
vdt
rin
quanh
mQt trpc c5
dinh?
Khi v{t rin
quay quanh.mQt
tryc c6 dinh thi
A. trgng tdm
cira vdt
rin ludn lu6n drmg
y€n.
B. mgi di6m thuQc vit rin c6 cirng
v4n

t6c
g6c.
.
,,1
C.
moi
cli€m thu6c vdt
rdn
c6 cing
gia
t6c
g6c.
D.
qu}
d4o
cta
n:ql diCm thugc
v[t"rin
le ni;mg
vdng trdn c6
tdm
nim
trOn
truc
quay.
CAu
52. B6nh dd ciia mOt dQng co, tu hic khoi dQng
d6n khi d4t tdc dQ
g6c
100

radls,
dd
quay
duoc g6c
bing 200 rad. Bitit
b6nh
dd
quay
nhanh
din
dAu. Thoi
gian
tri
hic Uat
eau khoi dQng di5n
khi
b6nh di dat t6c d0
3000
vdng/phtt
la
A.120
s.
B. 6,28 s.
C. 16,24 s.
D. 12,56
s.
]'RuoNG
THPT CHUYeiq
OgSp HA NQr
-THI

THU'EAr
HQC LAN
2-(2010)
-
M6n
V?t li
:
Me dii 231
'
,
6
Ciu
53.
MQr
v|t ,in
quay
nhanh
dAn d0u
quanh
m6t truc
cO ainn
xuy€n
qua v6t. Mdt
di6m tr€n
vat
rin
khong
nim
tr€n trqc
quaY co

,
A.
gia
t5c
ti6p tuy€n
hudng.vlo
t6m
qu!
d4o.
! . i. . . r.:
B.
gia
t6c titip tuy6n
cirng
chi€u
voi chi€u
quay cira
vAt
rdn d mdi
thoi
di€m.
C. dd
l6n cira
gia t6c ti6p
tuy6n
lu6n
lcrn hon d9 lon
cira.gia
t5c hudng
tdm.

D.
gia
t5c tiiip tuy6n
tdng
ddn,
gia
t6c hu6ng
tim t[ng
dAn.
Cfiu
54.
Hai
hinh
tr\r d*,
ddng
ch6t,.c6
cung
chi6u cao, dugc
ldm bing
cung
mQt
loai
vdt
li€u,
c6
iar
6"n
gap
jOi
nfruu

Gr'=
Zri).
Ti s6
morne-n
qu6n
tinh
lOOi
voi truc
quay tri
g voi t4rc ddi
xring
cua
mdi
hinh
t4r)
cta hai
hinh try
ndy
ld
I
J^
I
T.
A.2=2.
8.2=4.
C.?=16.
D.*=32.
"'It
*'
It

It
Il
Cffu
55.
M6t
v6t rin c6
md
men
qu6n tfnh 0,04
kg.m2
OOi
vOi mOt trpc
quay cO
dinh.
Vat rin
quay
quanh
truc
theo
phuong trinh
p
=
3
+ 501
-
t2
;
trong
d6
g

tinh theo
rad,
cdn
t tinh bing
s:T4i
thoi
di6m
t =
5s ddng
nlng
quay cua
vit rin
ld
A.32
L
8.40,5
J.
C.64 L
D'
16 J'
Ceu
56.
C[o'-nargsORtangh:6,6i5.10-'o(Jr);t5cd0*hi*gtrongchdnklgngc=3'108(mis);
khiSi
luong
vd
d0 lmr
dign tich
cta
electron

lan
luqt ld:
m
:
9,1.10rr
kg vi
e
=
!,6.10'rec
Chi€u
mQt
chirnr
s6ng
don
sic
c6 budc
s6ng
),
=
0,300/mviro
catot
cia mdt
tO bio
quang
diQn.
Cdng
tho6t
electron
ctia kim
loai

dirng
lim
catot ld
A =
2,5 eV.
Vdn
tdc
lon
nhAt cia
quang
electron
bin
ra
khoi
ca tot
lir
A.7,6.t
O61mls;.
B.7,6.tO51mls;.
c.
4,5.1 06
irr/si.
D.
4,5. l
05
(m/s)'
Ciu 57.
MQt
cuQn
ddy

c6
di€n
trcy thuAn
R,
d0 tr,r
c6m L, Ntiu
mic cu.Qn
d6y
vdo
hiQu
diQn th€ mQt
"irt[r
z+
v.,ti ,u6ng
dQ dong
di€n
qua cuOn
ddy
ld 0,36
A. N6u mit
cugn
diy
vdo
hieu
dign
thai
xoay
chidu
c6
hieu.dien

thd
hiQu
dqng
ld
100
V thi
cuong d0 hieu
dgng
cria
dong
diQn
qua
cuQn
dAy
c16
la 1 A.
I.iQ s6
c6ng
suAt
cia cuon
dAy lfic
ndy
ld
A.0,5.
8.213.
c.314.
D.0,86'
Cffu
58.
MQt b6nh

dir c6
momen
qu6n tinh
ddi
voi truc
quay
li
3 kg.m2,
tir
tr4ng
thrii nghi,
dugc
dua
d6n
vAn tdc
540
vong
/phirt
trong
6
s. Momen
luc t6c
dung l€n
b6nh
dd ld
A.
28,3 Nm.
B. 84,8
Nm'
C'

270 Nm.
D'
30
Nm
Cflu
59.
Con lic
Id
xo dao
dQng
di6u
hda
theo
phuong nim ngung
vdi chu
ki
T:
0,2
s
vi
co
ndng
toin
phAn W:
6. I0'2
J;
d9 lon
"iru
lg.
dAn h6i

cria
lo xo
c6
gi6
tri lon
nirAt
ta 3 N'
D0
cring
cta
ld
xo
vd
bi6n
dQ dao
dQng
cria
con
l6c
ld
A. 75 N/m;2
cm.
B.
75 N/m;4
cm.
C. 170
N/m;
2,5
cm.
D. 100 N/m;

3
cm.
Ciu
60. MQt
loii
doi
ph6r s(rng
si0u
im
c6 tdn s6
50
kl Iz. Bi6t
v4n tdc truydn
6m
trong
khdng khf
h
336
m/s.
MQt
con.doi
A*g bay
voi
v1n tdc 6 nr/s.
S6ng si0u
dm-do
16
ph6t
Tl.lan
x4 o mQt

vit
can
phfa
trudc
.,,d
truydn
ngugc
l4i.
Con
doi
nAy nhin
dugc
s6ng
si6u
irn
phAn xa
voi tAn
sd
A.
52,82W12.
B.
50,82
kHz.
c: 51,82k112.
D.
49,82Wf2.
7
T'RI.IdJNG Tr-ipT
CHUYitN
pgsp

HA
NQi
:TIil
THIJ
EAI HOC
LAN
2-(201|q
-
Mdn
V?t
li
-
Me
de
231
1'RLr'OFi{;
t).tt iioir
sli I'HAnI
tr
tA NOl
]'RI.I'(ING
]'I II']' CIJ
T]\'EN
I)IISI'
[{A DIr 3tt1
DE
THI
THU'DAI
HQC
(LAN

3)
-
rtrAuc 3 -2olo
lr0N
vAr rr.1
thoi
gian
9i)
phut)
c. 16.
D.
18.
t]. tAn
sO ciao cl6n-e cira s6ng.
D. mdi
trlrong
trul'en sting.
I.
PHAN
CI{UNC
CHO
TAT CA CAC
THi
Sil.{H
(40
cfiu,
ti'ciu
1
c10n
ciu 40)

Ciul. llai
conliiccltrncticilngkh6i lLlo-ngvatning,chi6uclai cl01'treollinluotli ll:[i1cmvd12
=100 cur. clao
cl6ng nho tai cr\ngm6t ncri
voi ciurg niOt ndng lr,rong
dao
d6ng.
N6u bi€n do
g6c
ctra
con lic thir
nhat
lii
6" thi biOn
d0
gric
ctia con ldc thfi hai ld
A. 8".
B. 4.96''. C. 5.,+0".
l). 6"(r7n.
Ciiu
2.
Trotrg
sLr
giao
thoa cua son-e tr0n
mirt nucrc cira hai nguon
k6t hop
.ngtloc
plta. phit

ra
cdc
s(rng c(r 1r,r.r:yg
5cing
2
.
nhintg diCnt dao
ctOng
vo'i
bi0n c10
crrc dai c6 hiSLr
hhodng ciich tit clo d€n
ciic
ngr,rdn
(i'6i
li = 0.
+
1.+2.+3 )
co
girl
tri li)
A.
rl,
-
d,
=
1rS,
Cl.
11:
-

tl,
=
1tr
*!l)
D. ,1._
rl,
=t1ri.
(liu
3.'l'ai I tli0ni
Or.
O; circh nhaLr
3l
cni
tren mirt chit long cir 2 ngLtOn
phirt
sirng clao clong
theo
phLiong thiurg clflu-q
vcri
phrlong
trinh: /1r
=5cosl
00irl(nutt), ut-5cos(1 00rl
+!)1t,,,,,5. VAn
t6c
2
tnr1,[n sring
trrin mirt ch0t long la 2 m/s. Coi
bi€n d6 s6ng khOng
c10i trong

quli
lrinh tlLry'dn s<lng.
56
cliinr tlCn cloatr O1. O3
clao dOng
vtii
bi0n clQ cuc
dai
(ltirdng
te Cf
,'O:
)
ld
A. l-5.
B. 17.
('iu
-1.
\/lin tOc
tlr.n
en s6ne
phu
thuOc
r\. nlirrg
lLLong
cira
s6ng.
('.
[.Lrri.'s1i11g.
(liu
5. I'}hirt bicLr niio sar-r d61'

ld
clung?
A. Dao clOng tuAn hoin la clao clOng nrd
vi
tri cira
vdt
ctLxrc lip
lai nhLL cfi sau nhiilg
kiroing
thiri
girn
lriurg nhau.
B. I)ao cl6ng tu'do
ld
dao dOng chi
phr-r
thu6c ciic cldc tinh
cira h0
.
khOng
phu
thuOc
cdc
y€u
td
b0n
ngoiii,
C.
I)ao
cl6ng

c1u'oc duy tri nrd kh6ng cAn t6c clung ngoai lttc
tr,rin horin dr-rcrc
ggi
ld tu
dao
clOng.
D.
I)ao
c10ng
cuilrg
birc
k\ clao ddng ducrc.du-v-
tri
clo
tlic
clung cua
nr6t ngoai luc
bi6n dOi.
Cliu
(r.
llirl'
xic clinh trang thiri liich lhich cao nhAt cira cdc ngul,en
trr hiclr0 trong trLrcnig hgp
ngrLr\'i ta
chi tiru dLro'c 6 r'ach cluang
ph6 phirt
xa cira nguydn tir liidr'6?
A. 1'rang thdi
l
B.

'frang
thdi M. C.
'frang
thrii N. D.
'I'r'ang
thdi O.
Ciu 7.
Phirt bi€r-r niio
sau ddy ln
sai khi n6i
v€
qlrang
cli6n trcr?
A.BQ
phin quan
trong cua,cluang di0n tro ld mOt l6p chdt brin d5n c6
gin
hai
di0n cuc.
I3.
Quang
cii€n
tro tliuc chAt ld mdt di6n tro md
gi6
tri cira n6 thay d6i khi duoc chi€u
s6ng.
C.
QLrang
di€n tro c6 th6
diurg thay th6 cho cic t6 bio

quang
di6n
D.
QLrang
cli€n tro'ld mQt di€n tro md
giri
tri
cira n6 kh6ng thay d6i khi dtrcrc chi6u
sdng.
Cliu
8.
Dune
ciich
fluor€xeiu h6p thp iinh s6ng c6 btr6c s6ng 0,49
lutt
vir
ph6t
ra 6nh
sdng c6 budc
s6ng
0,52
tran
. Ngudi ta
goi
hiQu
suAt cira su
ph6t quang
li ti sd
giira
niurg

luong ainli
sdng
ph6t
quang
r.'a
nang
luorig 6rfi
sirng
hgn
thU. Bi6t hiqu suAt cua su
phdt
quang
cira dung clich fluor6xeeinld,T5%o.
Sd
photon
bi hdp
thu
d5
ddn d€n su
phdt quang
ld
A.82,70
. 8.79$0 . c.75%. D.66.8%.
t
8. ./ d,=kl
)
'l'RUCiNG
TI'{P'l
CHUYeN OgSp FIA NOI
-TI-li

THU DAI I-lQC LAN 3-(2010)
-
Ir46n
Vat
li
-
Ma
ilC
381
1:1
(
irr
9.
l']rrr,rrrS trirrlr rllro
cl0ng
tli neLrrjrr
sor.rr, L) ct\ cl.rrrg:
t!,,
=
.lc()s(
-l:1.
Sirrrg
tluve\u
trdn ciil'
r'oi
'7"
bi0n
clo
kh0nc clLii.
T'ri

,-li.inr
M
n'en
rla\. ciclrnguon 7/(r
tlrr'',: sting.
ri
thdi tlienr
t
:
1.5T cir
li
dg dao
cl6ng u
:
-3
cm. Ilien tio scing bing
I].
-r
=
7
.73cos(5nz
a
L11c'rtt)
.
4
D. .r
=7.52cos(54
*L\(r',,,1.
4
;\. 3 cm B. 4 crn. C.

-5
cnr.
D.
6
cm.
Ciiu
10.
O
vi
tri circh ngu6n 6rn
(duo'c
coi nhu mOt ngudn cli6nr) nr6t hiroang lzi cl thi cudrg
d0 dm
ld
,
-,t
:
^
, '
l. Ne:u l'a
\a ngur)n anr mQt th€m m0t doan 30 n.r thi cuo'ng d0
linr tai d6
giiuri
chi cdn
|
.
(MOi
truong
-
"'

g

-' D
trLn in inr cfuLoc coi nhtr
ding hu'6'ng. lihdng hip thp
vi
phar.r
xa iin.t thzrnh). Kholing c6ch cl
ld
.\. l0 nr. B.
15 m. C.30
m.
D.60 m.
Ciu
ll. N{0t
vit
clao cl0ng di€Lr
hoi
r'6i
ci.ur kj'T
vi
biin
tl6,A.
QLriing
ilrrimg
vat
di duo-c tdi cla
trong khoing lhoi
girn
-51'3

ia
A.JA
B 5'\ c. 6.5 A. D,7 A.
Ciiu 12. I{ai clao
cldng di0u hira ciurg
phurrng.
ciurg tAn s0 c6
pirLLo'ng
trinlt clao clong lin lLrcrt lii:
.r,
=-Jcrrs(5,rz
*711cnr)r .l',
=
4cos(izl +L11rrr|.Phu'crngtrinhcr.radaodOngtOnglxrpki
6r
lr
.\. .r
=
Scrrs(
,i,7
+:
)1t'nt).
4
('.
.r
=
l.Tlcps(-i7 *
411,,1r).
J
Ciiu 13. Ir'l0t

con
lirc ld xo co
d0
cfmg 100 Nim.
r'it
niurg
cti khOi IrLong 100
g.
dao cl6ng
tr€n
mdt
phdng
,,^ :. ,
riinrngang. ll0s0nrasiitgifr'avdtr,iimirtphlngnganglirpr:0.02.ChogiatOctrongtntcmg
g:10m/s2.
it6o vit
l<hcii
r,'i
tri cin tl:urg m6t cloan l0 cm rdi thir nhc'.
Quiing
cluong viit
cli cluo'c cho d€n khi
dimg hdn
Ir)
A. Lr cnr. B. 25 nr. C. 2,50 crr. I).250 nr.
(lliu
lJ. l)eo
cl0ng cti0n tu trong nrach l.C li dao dQng cliiu hor). I(hi hi0Lr cliOn thO
giira
hai ddu cr,r6n

clinr
li\ 1.2 V thi currn-u clO dong cli"^n tlong mzrch
bing
1.8 rnA. Con lthi.hieLr clien thO
giira
hai
dAu
cu0n cinr Ir\
0.9
V
thi cLrmrg dQ dong cli0n lrong rnach bing
2.4 nrA.
Bi0t d0 trr ciinr cira
cu6n ddy
L
=
-5
mlI. Dien clLrng
cira tu diOn
vi) nirng lu'o-ng
cli0n tir cua
mach trLo'ng frng birng
A.
20
nlr vi\
2.25.10-e J. Il. 200 nf
vzi 2.25.10-s
.T.
C. 20 nl; r'i'r 2.25.10-8 .1. D.22.5 nF
vz) 2.50.10

I
.1.
(liu
15. MOt
cllit'da'rn liOi AB ddi 60 crl. cri ddu B lo lirnL{. diu
A mic vi\o nrOt
(t
5
nhirnh
dm thoa
dao
dOng
vdi
tin sO 1':50 l'12. Khi dm thoa rung, trOn dliy c6 s(ng clung.
r'(ri
2 bLrng scing. Vdn
t6c truy€n
sting
tr'0n dlil' k\
A. 2ul
nt/s.
B.
-10
nr/s.
C.
40 nr/s.
D.
-18
nr/s.
(liu

16.
Dao
clQng.cLr'6'ng birc lii
dao
c16ng
A. co
tin s6 thay clOi tireo tho'i
gian.
Il. co
bi€n d6 chi
phtr
thuoc
bi6n
dd
cua lr.rc
cu'eng birc.
C.
c6
ning
llro'ng
ti 16 vcyi
bi€n d6 ngo4i lqc ctr6lg b[rc.
D.
c6
chir ki blng chu ki cfra ngoai
lqc
cudng bf'c.
Ciiu 17. Con
lic lo xo dirt nim
ngarls, r'dt

ndng
c6 kh6i iucrng
500g. dao c16ng cli€u hoa v6i
chu
ki T
:0.445
s.
Co
nitng cita con lic
ld 0,08 J.LAy
n
=3,74.
Bi0n dd dao d6ng
cira con
ldc
ld
A 1.0
cm.
B.4.0 cm. C.5.0 cm.
D.
6,0
cm.
Cjiu 18. Di6n
6p
giira
hai dAu mdt doan
mach
RLC mic nOi
tiep c6 bi6u thirc a
=(iJlcoscot

.
Circr
bi0t L id
cuOn
ciAy
thuAn cdrn
c6 cim khiing Zr,
-
60 CJ; dien tr6' thr-rdn R
:
60
.16
O, tu di€n
C
c6
di€n dung
tha1,
d6i
duo. c. Thay
c16i di6n dung C tili
gid
tri sao cho di6n iip hi0u dung
gifia
hai bdn
tu
dat
cuc
clai.
I(hi clir, dong diQn chal'qua
mach

TRUoNG
THPT
CHUYET
OHSp FIA NOI -THI
THU',DAI HOC t.AN
3-(:010)
-
M6rr
Vat
li
-
Nri de 381
,i
ttliriltlt
l-'rltlt
;
so
vtii
diin
rip
tr.
_l
so
vtii
ctien iip
u.
so
vo'i
cli€n irp u.
tram clidu hdnh du6i

rndt ddt,
D. 10-0.0irri.
I1. nhanh pha
D. ch0m phii
/L
6
lr
6
C. clriur
phu
)t
_)
st''
r,oi
clidn lip u
fliu 19. \lOt khurrg
div dfur
phing
r-o N vong
dd\,,
ciuar.
cl€Lr
voi
t6c d0
g6c
co
quanh
tmc
doi xirng
cun

nri
trong nr0t tiL trLtcxrq
c10u c(r
vcc
to cim
irngtiL
vuOng
goc
r'6i truc
qua\,.
Tir tir6ng
cr.rc
dai
qua
mOt vr\ng div hi
0p
Gil tri hi6u dLrng cira sLrdt di6n cl6ng
cinr
unq tror.rs
lihung day'd5n
ld
A
E: 0.,i.J!lr
()'
B. E
:2.I
ro(t,,.
D. E: I{ro(to
r\ tr*
Citr 20. Dirt vio hai cldu doan mach I{. L. C ,'nic nOi tiep ndt cliQn 6p xoay chie Lr v =

220J7.o, ort
(\').
Iihi tlral'doi r!). c6ng su6t ti€u thu cuc clai ciracloan nracir ln 484
W.
i)i0n trcv thuin
ciramach
lir
\ 50
()
B. 75
().
C.
100 Q. D.
150
f).
{'iu 21.'l'r'orrs cloun
nrach
xoal'chiCLr
girm
Cli0n trcr,thuin. tLr clien nOi tlC;,
r'di
cu6n
ddy. di€n
dp tirc
tirrri
giiiu
lrai
clau cli0n tro thu6n I{
i,ii
gifi'a

hai clnu cudn cla1,c6 circ bi0u thirc
ldr-r ltrcrt
ld
up:
I
luRgosott
1\i)
r'ii u,1- 1111,1 cos(a)t
-
tr
)
(V).K6t ludn ni\o
sau clil'ld sai'?
2
A. Di0n dp
giira
hai diLr cuOn clliv nqrlctc
pha
voi cli6n ip
gilra
hai ban
cira tu cJi0n.
U.
CuOn div cr'r
di6n trcr
thuin.
C. CLr0n ciil'
lri thuin cdrn.
l). C0ng
suit

tiCu thu tr€n rnach l<hirc
0.
('iu
22. \iach dao cltrng chon song cira nr0t nrdy thu
g0nr
nr0t cLr0n diiy'thuin ciinr v.i
nrdt tu di6n c6
, ,.1 ,
tliun tiruru bicn tliri ctLlo'c tu 20
pF
clcrn
-500
pF.
Ilrrdc
scins.
ngln nhiit cira s6ng cli0n til
md m6y thr,r
thu
tiLrltrc li :: ,-r'r. []rLtic song OAi
nil6t cua sorrg cli0n tir nri) miry thr-r thLr cluoc li'r
A.
(r25
rrr. B. 125 rn.
C. i00
nr. D.250 m.
(liu
23.
Khi
nrii v€
song dien trr,

phht
triiLr
nio sau cliil clirng?
A. Sting dien tir chi lan tm1'c\n clLlo-c
trong m0i trucrng clrit
(rin.
long hay' khi).
I1. C'irng nhu st'rng 6m
song cli0n tir c(r th€ ld sirng ltgang hay
s6ng
cloc.
(i.
S(rng
clilrn tu'luOn ld song ngang vi lan
tru1,0n
clrrcrc cii
trucrng chit lIn trong chirr
khdng.
l).
'l-Oc
d0 lan truyOn cria
sdng cli0n tiL ludn birng t6c d0 iinh siing trorrg chiin khdng,
khOng
Ih!r
thu0c
gi
vi\o
rnOi trLrong trong
clir
s(rng

lan trul'0n.
('iiu
2J. Ilirit bi0Lr ru)o
sau ddy la lilrOng dirng?
.,\. i)i€rr tiL
tnLoug bi€n
thi0n
thco thr)'i
gian
lan
tlul'0n trong Ithdng
gian
clLloi
dang
s6ng. D6 ld
s,ittg
diclrt tiL.
ll. Sirng di€n tir lan trLry6n voivin i6o rit lo'n. Tlong chan l<herng,
r,in
tdc cl6 biurg
3.108m/s.
".i.
Sring cliOn
tir rnaus ndng lu'ong.
i).
Sring
diOn
tiL ld
s6ng
ngang.'l'rong

qLri
trinh lan trLrl'en
s6ng
c1i0n tLl
thi
cli6n
truong
bi6n
rhiCn vii
tit trr.Lo'ng
bi6n thien dao
clQng
cirng
phrrong
vii
ctirng
vu0ng
g6c
vrli
phuong
truydn
s6ng,
Cliiu 25. I\401
mii'
bien
th6 c6
ti s6 so vong ddy cira
cu6n
so.cirp va
thir cdp ld l : l0. 86

qua
hao
phi
o
nrav biCn
1h0.
DLrne ntdy bi€n th€ ndy c(r th€
A. tirng
hie u cli€n th6 vd dong
di6n l6n 10 lAn.
B.
gidm
hi0Lr cli6n th6 vd
clong clign 10 lAn.
C.
tang
hiQu cliQn tir6 10 lAn vz'r
gidm
cr-rdng
dQ
dong
diqn 10 lAn.
D.
giim
hi€Lr di€n fie l0
lAn
va ting
cudrrg d0
clong di€n
10

lAn.
0 iv?.\rr,.t/r
ll/ oq5,,",12
Ciu 26.
D0
thdng tin
liOn
lac
giila
cdc
phi
irdnh
gia
trdn
vir tru
voi
ngLliri
ta clir sir
cturg s6r-rg vO
tuy6n
cti
tlroc song trong khodng:
A. i00 -lhm.
Il. 1000-
100 m.
C.
100-10 nr.
C iu 27 . Phiit
bi6Lr nio sau
dd-v- lJrdng dirng ldri

u6i
vC di6n tir tlLlong?
'l'liLloNG
'f
I-IPT
CIjUYiTN Ot-tSp HA NOI
-T't-il
TI IU'DAt HOC LAN
3-(2010)
-
Mon
Vat Ii
-
Mrr
da 381
3
.,\. NiLr
tai
nr0t
noi cc
mOt
tir truLdug bi0n tli0n
thco tho'i
gian
thi tai
noj
clir
xLrit hi0n
nt6t cliOn trLrotr-s
rolir'.

Il. Niu
tai tl6r noj co utOt
dicn lrirtltg
kh6ng
ddu thi 1ai
nrri clti
xuit hifn
ntOt
tir
tnrtlng
xody.
C .DiCn
tnrr\rig \.a tir
fitrong ii hai nri"t
th.i hi[n
lJlic nhru
cir.r nr6t
loai hrLols.
cltrl' nhzit
goi
li
cli€n
ttr'
tlLrirrrg.
D.
Di0n
tLL trrrr\'ng xuit
hi€n
rturg
quanh

rrdt
chO co
tia ltra cli6n
.
Ciiu
28. N,lach
dao
clOng
I-C
dang clao clOng
tu do
voi chu
kj,' ld T.
Thdi
gian
r.rgin
nhdt ltur trlr
lirc
n[ng
,
'
J Y 1 ^ r-\ :
luopg tir tnrolg
bing
ba
lAn
ndn-q luo-ng dien
trtro'ng d6n
luc ning
luong

tir truong
bdn-q niurg luong
diin
tluong
li
I'
-T
T
T
\.'.
B.'
c
D
'^
6
12
i6
24
Ctiu
29. ll'g1q
1hi nghi€m
l-dng
(YoLrng) r,6
giao
thoa
itnh sang,
khoang
cicir
tir mtin
quau

salt d6n
pr,r1
llhiy.lg
cl.rrlii
nal
ktre ta
2,0 m. khoarr!circligiira
hai
khe ld
1.2 urm.
Bu(rc sting
6nh
sdng don sac
clirng tlorrg
thi
nghiOm
ld 0. 60
pn
.
Khoiing
ciich tir
vin
tOi
thir ba
dOn
vdn sdug
trLrng tAm
lir
A.
f

5
urnr
B. 3.0 rnm
C.
2,0 mur.
D.
3.5
nim.
Ctiiu 30.
'frong
thi nghi€rr
I-ing
(Young)
vd
giao
thoa
6uh siurg.
khi chieu
vu)o
hai
khe r16ng thoi hai
l.,irc
xu clcrn
slic
thi ta
qr-ran
s6t
dLroc tr0n mdn
hai
h€

'u'd.n
giao
thoa
r,6i cic liholing
vdn lAn ltrot
ld
0.3urnr
I'i 0.2
rtrnt. I{hoiing
cdch tir viin sdng
tmng
tim
den r'6n siurg
gdrt
irhit
ciug mau
r'6'i nri ld
\. 1."
nru.
B. 0.6
mnt.
C.
0.3 mm.
D. 0,2 mm.
Ciu
31.'l;o1r-l
tfiinghiOnt
I-dng
(\'oung)
r,€

giao
thoa.tinh
sing. tAi
cliem
N4 tren
nriin
c6
vAn siug b4c
-5.
l)i chLryin
nri\n
ra xa th0rl
20 cnr.
tai cliCm
M c6
vdn tOi
ttrir 5. I(hoang
chch tiL
ntin
qttan
sdt
d€n hai
khc
tnLric
khi clich
chLnCn
ll\
A. 1.6 rn.
B. 2.0 m.
C.

1,ti
m.
I). 2.2 nr.
Ciu
32. Dic
cli0nr
cptan
trong ciraqr-rang
phO
lien
ttrc
lzi
A.
phtr
thu6c
Viro thdnh
phlin ciu tao
vd nhi0t
d0
cita ugudu
sing.
ti.
pfig
thLr0c
vi)o thdnh
phin
ciLr
tao uhlurg
lih0ng
phu

thueic
vdo
nhiOt clQ
cira ngudn sdng.
('.
l<hong
phu
thr-r6c
vao tlii)nh
phin
cdu
tao
nhtLtrg
phtr
thuOc
viio
nhi6t d6
cira ngudn s6ug.
D. Iihfing
phu
thLr6c
vdo
thi\nh
phin
ciu
tao
r.,ri
cting
lthOng
phq

thtrOc
vl\o
nhi0t
Cl6 ctra ngttort
sling.
Ciiu
33. Cho
mach
llLC miic
ndi tiOp.
Di€n
hpr xoay
chi0Lr
giirir
hai cliu doan
nrach ld
tr
=120Jlcos(l00zl)(l/).Dgtucaml,cuacu6nddythr,rdnchn.rthaydOi
clLro-c.DiduchinhLthi
th6y
Lhi 1-
=''u
lltlri clicn
dp
hi€Lr ch-rng
giiLa
hai
bein tLr
cli€n clzrt
ctrc clqri

bnng
80",,5V.
Di6n tro'R cta
/L
nrach c,6
gi6
tri
blurg
c.
10.5
o
D. 20.,6
()
A.
10 Q.
B. 15
O,
Ciu
31. Dirt
yr\cr
hai
clig
dom
mach RLC
nrirc nOi tlep
mOt
clien
ip xoal' chi0Lr
rr
=

Lr
Ji
cos(2nft)(I'/)
,
voi
Lr lihOng
dOi
con
f thal' 6$1 duo.
c. I-li0n
tuoug
cdng huong
dign xd1'
ra lihi
: .
A. tha1, d6i
d0
tu'czul
L dC
dien rip
hi0u drmg
giira
hai
ildu
cnOn ciur
(tirLrdn)
clat
cuc Clai.
ts.
thay c10i c1i9n

cir-urg C ae
Olen irp hi0u
drurg
giira hai bari
tLr Cti0n dat
cr,tc clai.
C.
tha1,
ddi
R c10 c6ng
sudt ti6u thu
tr0n do4n mach
clat
cllc alai.
D.
thal'clfri tfln rO f ae
diQn dp hiQu dgrg
giira
hai diu
cliOn
tro R c14t
ctrc ctai.
Ciiu 35.
Chi€u m6t tia siurg
mdu
vdng tir thuy tinh toi
mft
phAn c6ch voi mdi
trrrons kh6ng
khi,

, ,a,
\
Tr ,' ! :-
ngrLoi ta thi1, tia 16 di
ld ld rn4t
phAn circh
giira
hai mdi
truong.
Thay tia
sdng
vdng bdng mQt chum
tia
slir.rg song song. hep. chira
d6ng thoi
ba 6nh s6ng
don sdc:
miiru
cJ6, mdu lttc
vd mAtt
tim chi6u tdi m4t
phdn
cach trOn theo cliurg
hu6ng cfr thi
chirm
tia
s6ng
16 ra ngodi
khOng
khf

lA
A. chilrn tia sdng
miu luc.
B. hai
chtrm
tia sdng
mdu h-rc
vd mAu
tim.
C.
ba cltirrn
tia sirng
:
uriu d6.
miru
h.rc vir mdu tim.
l'tru'oNc THPT
cr-iuygN
ptrsp
HA
NQI
-TIJI
Ti-tU'DAI HOC
LAN ;-(ZO
t0)
-
M6n
VAr li
-
l\{n

da
381
4
D.
chirur
til
siirrrt
rtnu
tld.
{'iu
36.
QLrlttls
pho
vach
phat
xa
cult
natri
co
hai vach
vrir-rg
r
o'i
bLnic
stirrs
0 5ti90
prm
r,.i
0.,5g96
rLnr.

(]Lranu
ph6
r'ach
hep
thu
cua
natri
si
A.
thi0Lr
'ing
hai
dnh
sdng
co
bu.6'c
s6ng
0,5g90pLnr
i
i 0.5gcxr1rnr.
B.
thicu
'ing
rl.i
:i'h
sdng
co brL(rc
s6ns
nhir
hcr'

0 ig9O!rnr.
C. thi0u
ving
mQi
6nh
sdng
c6
budc
song
I6n
ho.n
0,,5g96pm.
D.
thi€u Ving.moi
dnh
siing
c6
brLoc
song
trong
khoang
tir
0.5890pu1
r,ii
0,5g96ttm.
ciiu
37.
Cho:
hing
sd

Plang
h
:
otr:-s.
to-!
1.1s1;
io.
.t6*,i,rt,
,in-,-r
tr-ong
chap
lt66's;:;.;Uii;r/s).
Nrng
lLrong
cira
Photon
cr.ra
nr0t
dnJr
sdng
clon
sic
lu\
4.85.10-reJ.
An[
r"nf
clo'
sic
clJc6
'rdu

A. tirtr.
B.
clO.
C.
juc.
D.
Ia'r.
(lirr
38. l'rt'rtr-q
nrOt
Ong.t'onghen hi0Lr
cliOn
th.{
giii.r
rir6r a
catdt
li
Lt.\K:'i'i;OO
V.
86
qua
d6np
trring
clc'clt'ott
btrt I-u I'hoi
cnt6t.
C'lro
e =
-1.6.10i"
(':

c
:
3.10\
rrr,s:
t,
=
O.CjS i0rrl;"8i1;;;;;F
nitillr
nlrit
ctur
Liu,X
tlo
r.lrrg phdt
ra Ia
n.
8.i2.10-"
.r.
B.
8.21.10-rr'r.
C.
g.i2.i0-r('m.
D.
g.21.r0-r2'r.
Ciiu
39.
Anh
siing
hui'nh
clLlang
li\ lnh

sirng phrit
qLralts
,'\. I'eto
dr'ri tlong
nr6t
khohng
tho'i
gian
ndo
d6
sau
khi
tiit
irnh
s6ng
Lich
thic6.
I].
haLr
nhLr
rir
nsa).sau
khilirt
hnlisirng
kich
thfch.
('.
c(r
bu'6c s6'g
nho

hcvn
bL'ric
sirng
iurh
sdng
hiclr
thfch.
I).
clo clic
tirlh
th€.yrh6t
ra.
lihi
chLctc
liich
thic:li
',ing
rirrh
siing
tliich
hc.rp.
Ciiu
-10'Clro
biet:
hing
sO Pldng
h:6.625.10-'r+.1.s,
t0e ,i0lirrh
siing
rropg

chin
lili6ng
c
=3.10s
m/s,
tlo
ltirl
cli0n
tich
clectron
l,,l
:
t,6.
l0
'"
C.
COng
thoiit
elr'ctron
cua
nr6t
kirn
6ai
clirlg
ldm
catot
ld A
.
:
3.6

cV.
(ii6i
han
quang
cliOn
cira
I<inr
loai
do ldr
4.
i.3,5rari
B.0.3-l,57rz
C.0.321pn.
D.0.126
pn.
II. Pl-lAN
nlCruC.:
Mii
ttri
sirrlt
clti
tluo'c
kint nQt
trutttg
ltoi
lthitr:
pttirt
A
ttogic
phirr

B.
Citr
ll.
N40t
scri
da1'
dii
2l-,
duoc
kco.
cang.
c6
cdc
,t8
{3
.1.9.
,
i
c,C', linl.,.
Scri
clffr,
rll'oc
kiclr
tliich
rt6
tao
flil'",d
j:1s
lt Ctr Irir
sao ch{r,

tlq"""i
lyi
cliLr
A i
i\ Il.
thi
cll co
cliirn
clinh
giilri
C crui
sr.r'i
on1,
tri
nirt
s6ng.
I\4
r,d
N
ii
lxri
tliCnr
tr0rt
clir'.
nirn
hai
bOn
di0m
C
vi

cich
C nrOt
cloiur x
(x<1.)
nhLl
nhau.
Dao
d6ng
tai
.a.
aiE,rr'V
"a
l\ sc
A.
c6
bien
clO r-rhrr
nhau
vzi
ciurg pha.
ll.
c(r
bien
clO
ldrirc
nhau
vz:r
ciurg
pha.
C. cri

bi0n
d0
nhrr
nhau
vd
nglroc pha
nhau.
D.
ctl
biOn
dQ lthac
nhau
vd
ngu'oc pha
nhau.
Ciiu
42.
Ivl6t
con
klc
lir
xo.
vdt
nirng
c6
kh6i
luolg li
clidu
theo phuong
t''ilu

{.4.
lvl()t
coll
tac
lo
xo.
vat
lli1l.}g
co
kltOt
luolg
li nt
=
100
g,
dao
Cking
cli0l
hoir
t|itrlr:
x:4cos(10.,61)crr.
Ll,yg=l0nr/s2.Ddngnirngcuavat
lihi
c6
li cl6x:2cprld
A.
0.01
.t
B.
0.02

.t.
ct.
0,03
.r.
D.
0.04 .r.
(liu
-13'
\Jot
viit
clao
il6ng
cli6u
hda
vdi
bi€n
clo
6 cnr. chLr
lii
0.05
s.
C-hon goc
r6cri gian
lirc
v6t
c6 li
clo
x
:
3

tf
cttr vi\
clang
cli
theo
chi€u
linr
cira tnrc
toa cld.
Phurrne
trip6
clao
dong
cira
r,6t
lzi
A.
.\
- 6cos(J0nt
-
{)
t.n,l
J
C.
x
=
6cos(40nt
+1)
rcn).
6

Ciu 4-t.
Phirt
biOu
nio
sau ddv
ld sai?
B.
s
:
6cos140zrt
+
9)t.nr).
6
D.
x
:
6cos(40nt
+
?1y
1.,,r;.
J
Trnn-ri
qud
trinh
tnrydn
ai
di€n
nurg
di
xa.

c6ng
sudt
hao
pli
tr€n
duong
clliy
tai
cli6n
A. rr lc1
rrii
tho.i
uizur
truydn
di0n.
B.
il le
voi
chi6u
cliri
du.ong
cliy
tiri
c1iQn.
C.
ti l9
r,6i
binir
phlrong
c6n,q

su.it
tuyAn
di.
D'
ti 16
nghich
vdi
binh plruong
cli€n
6p
giira
hai
dAu
cldy ri
tram ph6t
c1i0n.
TRU'oNG
TFIPT
clluYpN
ot'tsp
HA
Nol
-THi
rt-tu'EAr
Hoc
LAN
3-(2010)
-
r\46n
vzir

li
-
N{n
da 3gl
5
('itr
J5.
\l,li
.1,';.rn.
nl:.relr
)S
gut',
It ri
ehrlrn rtlteh
nlr,.,
.\\l
rir
\1lj rrric ni'i tii'lt
rtii.itltlrr.
Dt,;ui
rrraclt
AN{
gOnr
di0n 1r'ti R1 nric nOl Uep
voi
cu0n thulin ciur
co clO
tLr canr I I)oan nurc'h \18
gOrn
dicn tro

R2
nric n6i
1it{1r
i,tii tLr
di0n
cir
di0n
dung
C. Khi dlt
viio
hai clau A.B nrOt
c1i0n in
xoal'chi0rr c(r
giri
tli hi€u
dturg U thi cli6n
dp hierLr dung
giirii
hai
cliu doan mach AM lli
lJ1. cdn
diOn a1. hiiL; tlrnrg
giiru
hai cliLr cloan
mach N,lB lir
{.J:.
NOu Ur
=
t./i
-

Ii;
tll h6 thirc li6n h0
nao sau day ld clung?
,.\,
I_: CItrRr. B. Cr: t_RrR:
. C.
LC: Rrt{: .
D. LItr
:
CRu.
Cliu
-t6.
IrlOt tu r1i0n co
di€n
dung
C tich clign c15n hi.^u dien thO U,, cluoc nOi
r'6i
ntdt cuOn
cam co
hC
s0
trL carrr l,
qLrl
rl[r1 Lh(ra
K
(khcia
K ngit).
fqri
tho'i cli0m t: 0
.

neuo'i
ta clclng
liircia
K. Phat bi6u ndo
satt clil' lihi)ng cltrrlg'?
:\. lli0Lr c1i0n th0 tr€n tu di0n lan cliu ti€n bing lthOng ti thiri di6m
r
=
1
I3. Nirng lrLo-ng cu'c dai tich triltrong cudn carn
li
-C'ti,j,.
)"
""tu'
)
,. i-
lll
/,,
=
,Tr'1-(
Cliiu
.17.
l)hht
biCu
nio.sau d0y lihdng dirng khi so srinh
tia hOng ngoai vii
tia tu'ngoai?
A. cung blin chAt la s6ng cli0n tir'.
B. cl6u tic clr,rng l6n kinh iurh.
C. clitr

khOng
nhin thdy bing nrit thrLo'ng
i). til tu ngoai c(r tlin
s6
nhri
htrn tia
h6ng ngoai.
Ciu
4ti.
'l'hLrc
hiCn
siao
thoa
anh sring
r,(ri
hai khe
I-iing( Young)
crich
nhuu
a
:
0.5
mm. Min quan
siit
crich hai khc nrOt lthoiurg D:1,0
nr. Chi0u sirng hai khc biurg 6nh siurg trirng cci
butrc
s6ng
0.101ttrt < 7
<

0.76prn . 1)6rdug cira
quang phO
bac
l
thu chLtrc tr0n nrdrr lu
A- 0-72 nrnr.
B. 0.36 mm. C. 3.6 nrn. D.0.54 mm.
Ciu
.19.
I'hirt tri0Lr tr'ro sau diy lzi sai lihi n(ri v€
quang phO
cua
l\4rit froi?
A.
Quang
ph6
tr,'tqlt Trdi nra
ta
thu
ducrc thuc
ra li\
cluang
phd
vach hip thLr do
phin
vo
cira M{t
'l'roi
ki
cric

chit trn
tai o' the khi norrg cir
iip sudt
thip: con
phlin
l5i
c6
nhi0t
d0 rdt cao(cd 106
c19).
13. Ngtrierr cirLr ciic vach dcn
trong cprane
ph6
H'tit
l-ro'i
ta c6 th6 biet thiinh
phin
cAu
tao cira
lcrp
vo
lvlltl ll'()1.
C.
'l'rong
pho phdt
xa cta lOi
N4it
l-roi chi cir anh siurg tr6n-u thir,.
l). I'h0
phiit

xa cua l6i lr4irt
'l'ro'i
c(r tiL tia h6ng ngoai cl0n tia
ganmril.
(liiu
50.
'f'r'ong
ngurtn tiL hidro, li.hi electron chuyOn clong trOn
qr-rl
clao K.c6 brin lifnh r,,
:
5.3.
!p-llm
tlti
clectron c6
r,an
t6c
(Cho
klr6i lrLong
vii
cl6 lcrn cli6n tfch cLra clectron lin lrLcrt li m:9.1.10-31
kg'
e
:
l.(r.10
"'
C'.)
r\.2.1 9. 106 tl/s.
D.4.i8. 107 nr/s.
l'hco ch

trinh Nf,ns cao
(
10 ciu. tilcffu 5l r10n cf,u 60
Ciiu
51.
N0u
t0ng
ruomen
luc
tiic dLurg len r,6t
bdng
kherng
thi
A. momen
c10ng iuo. ng
cta
r,?t
thay ddi.
.:
I).
gia
t6c
g(rc
cira
vAt
thay ddi.
Cl. tOc
c16
goc
cira v6t

kli6ng ctOi t<tri nlonen
qudn
tinh cira
vdt
khfrng
d6i.
D. r'At
ludn clfmg
y€n.
Cjiu52.C'hobi€t:
hingsOPldngh:6.(>25.10-saJ.s.t6cd0irnhsiurgtrongchAnkh6ng
c:3.108m/s,
dO lon di0n
tich
electrOn
lrl
:
t,6. l0-r" C.
t.:
C. Ciri tri crrc clai cira cLlong rl0 cidng cli€n trong
urach
bing b',,^l+
"v1_
I). Khorirrg
thr\'i
{rian
giila
hai liin lien tiep cle nirng
lLtong
cli0n lnrcrng

b.in-q niurg
luong tu
truo'ng
l-l{LloNC
l'lll)T
ctjuYnN oHSp HA Nol
-TIlt
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thi
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vd
dong
ning vudrrg
pha
nhau.
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li
dO

va vin
toc
,Jdng
pha.
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gia
tdc
ngu'gc, pha
nliau.
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gia
t6c vA vdn
toc
nguoc pita
nhau.
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3. Dung
dich fluor6xeein
hdp thLr
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s6n-e co bLL6c
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0.49
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ra
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ta
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hi€u
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ld
ti
sd
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luong
rinh
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vii
ning
lr-r'orrg hnh
sdng
hAp
thir.
giet
hieu
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sr,L ph6t
quang
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dich
flr-r6r€xeein
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hip thLr
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!A
4.82,7('/o.
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(-on
lic
lir xo clao
clong
cliiu
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ndnr
ngang voi
ccr na,rg
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W:
3.t02.1;
dO
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cira
luc
ddn hdi
cira lir xo
co
gia
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la I
,SX.
OO
.*g
"t
o lir
xo
vd
Lien
d6 dao
d6ng
Id
A.75
N/rn:2
cm.
B.
37.5 N/rn:
4
crn.
C.
30 N/m; 5 cnr
D. 50

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cm.
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5.
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rrdl
chit long
cri hai
rlgr,on
sriru k€t
hcrp
A
va
B
dao
dong vcri
cilng
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d6 a.
tin sO
f
:
3C l-lz
va
nqrtoc pha
rihaL,. vin
itlc
trLrl'eri
song
u

:
6o cn/s.
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MB
=-
l9
cm:
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:
2l
cnt;
NB
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cm. Phirt
bi0u
rrAo
sau dAy
dirng?
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M
dao
ddng
vcii
bi0n
d0 2a
;
N d0ng y€n.
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N dao
dOng
vrii
bi€n
do 2a;
1\4 <Ifurg y€n.
Cl.
Ca N4 vd
N ddu
clao rl6ng
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a.
D.
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cliiu 6.
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ld
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dao
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ll.
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DE
THI
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4)
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thdi
gian
90
phirt)
I. PHAN
CHUNG
CHo
rAr
cA cAc
rHi
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40)
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l.
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cm. VAn
tdc
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s6ng tr€r-r
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ld

200
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sd cria Am
co
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ra ld
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dao ddng
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su
tu dao
d6ng.
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7' N46t
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not
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L.
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C.
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hai
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bien
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tO
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doi.
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chinh
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cuc dai
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o
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=
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. C6
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tri
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mach
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bing P1<'ir,,.
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:
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bing
A 60f).
B.

80 O.
C 100f2.
D.60
().
CAu
tt. Phdr
bie u nao
sau
d61, ld
sai?
Doi vti'i
dao
ddng co
tit dan thi
A. co
narrs
gilrln
din
thco thoi
gian.
B.
tdn
so gianr
dAn
thco thcri gian.
C. bi€n
dd dao
d6ng cdr
tAn sd giarn
din

theo rho'i
gian.
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sit vd
lLLc cAn cdng
lon thi
dao
d6ng
tit
ddn
cdng
rrlranh.
Cf,u 9.
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bi6u nio
sau dAv ld
klrdng
dirng khi
n6i
r,€
criclinric
mach
ba pha
hinh
sao?
TRITONG
TllPl-cFItrYiN
ottsp I-tA
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l'tJU
DAI
HOC
LAN
4-(2010) -
N4dn ver
ii
-
nra
oc rzl
1
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dd
tLlc
thcri
trong
dAl,trLrng
hoa
bing
l<hdng.
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Ll.,
=
J1tl,,
uoi
Uo
ld
hiQu
di€n

flr6
pha
con
Ua la
hieu
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thti
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su.
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hi€u
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thri
pha.
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bing
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di6m
cuoi
cua
chring
noi vo'i
nhau
vd
dua
ra
t"""n
"g"ji;i";
oay
trurrg
nou.
ciu
10.
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bi6u nio
qa'c]ay
ve
miiy quang
pno
tang-Lint,
ta
nrong
dirng?
A.
Bu6ng
Anh

nim
d
phfa
sau-lang
kinl.
B'
ong
chud.
trr,rc
c6
tiic
du'g
tao
ra
chirm
1ia
s6ng
song
song.
, :
C'
[,ang
kfnh
c6 t6c
dung phAn
tfch
chirm
6nh
sdng
phiri

tap^-song
song
rhdnh
c6c
clrilm
s6ng
do'n
sdc
soltg
song.
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phd
cua
ntdt
cltitnr
s6ng
thu
du'oc
trong
budng
Anh
cira
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m6r
dAi
sdng

co
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tia
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lang
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theo
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plian
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man quan
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sau
l1l*,\l:l: ::lls
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voi
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phan
giric
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ldng
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va
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vcri
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do ld
tr6:
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vd
OOi
vOi
tia
tfm
ld=n,:
1,5g.
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rOng
cira
quang
pnO
tien
tuc
tr6n
mdn quan
s6t
bing
A.
16.76
mnr.
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12 57
nrrl.
C.
18.30
rnrn.

D.
15.42
nrm.
Clirr
12.
Phrin
fing
n+ll.i-+t,l'+llle
t6a
ra
rn6t
ndng
lLro-nq
e:4.110
MeV.
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su,clong
nirng
cira
ciic
ltal
barr
diu
(
n vi\
t.i)
khdng
cl6ng
k€.
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nirng
cua
hata
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nhiin
he
li)
co gi6
tri
4.2.71MeV.
B.
l,(r8
MeV.
C.3.12
MeV.
D.2.06
MeV.
ciirr
13.
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RI-c
noi
riep.
cr-r6n
ddy
co
r=40e.
d6
rrr
carn

t=,!".
lu
co
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r
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cci
tin
s0
f
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llz.
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cua
R
cld
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sLr6t
toa

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tr€n
Il
cuc
clai
ld
A
40f2
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70Q.
clliu
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phin
hach
khi
hip
tlrr-r
rn6t
nolron
ch6rn
ld
A.
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u
,,,]ti.
C.

,;.,,ti.
cliu
15.
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tiic
hoat
cld'g
cLra
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cri0n
trii
rrtra
vio
D.
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A.
hi0n
luong
nhiOt
dicln.
ll.
hi€n
trrong
clLrang
di€n
ngodi.
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trro'ng
quans

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trong.
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cira
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rrhi6t
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IlL.Cl
r.,ric
noi
tiep
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vdo
hai
dALr
cloarr
rnach
rn6t
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co
darrg

u:200
cos(2nfl)
(V).
trong
d6
tAn sd
f
thal,cloi
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thal,aoi
tin
s6
1.toi
gid
rri
fl:40
['lz
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f::250
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tieu
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nrach.rl€u
cci giri
tri

phu
nhau.
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cua
doan
rnach
dat giri
tri
cLlc
dai thi
phAi
dieu
chinh
tAn
so
rtJi gid
rri
A. l20llz.
B.
l00 llz.
C. t45IIz.
D.210
F12
Ciu
17.
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lai
drr
cci rnitc

cllol.lg
dQ
Am
chdnh
nhau
ldU
Ti sd gifa
c6c
cuo,rg
d6
6m
cria
chirn-q
Id
A.
1.18.
8.1.2().
c.
1,85.
D.2.52.
Ciiu
18.
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co
su trul'€n
ndng
luong
trong
A.
song

clral,nganu
B.
scing chal'doc.
C.
s6ne
dilng.
D.
song
dien
1u
Ciu
19.
Sau
thcri
eiarl
280
ttitdr'.
so hat
nhdn
nguveir
tulcira
m6t
ch6t ph6ng
xa con
lai
bing
li3
s6
hat
rlharr

nultl'0n
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phAn
ri
trons
khoing
thoi gian
do .
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ki
ban
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p66ng
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ld
A. l(r0
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13. l.l0
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hai bdn
tu
ld
u
=
8V thi dong
di6n chay
qua
cudn
ddy
lii
A.0.04
(A).
8.0,05(,4):
Ciu
21.
Ph6t bi6u
ndo
sau d6y ld sai?
A. Crlc
tuong
t6c
vAt lf

co th€ c6
rdt
nhau.
c.
0,4
(A).
D.0,5
(A).
rrhidu
loai vd
nr6i loai tuorrg
ttrc
lai c6
bAn
chdt
kh6c
I
t-
B.
Cdc
tuo'rrg t6c
v6t
li co th€ c6
quy ,,d
b6n loai co ban: tu'ong
tdc h6Lp
d6ri. tuong t6c
diOn
tiL. tr,rong tdc manh
vd

tr-rong t6c
y6u.
C.'fucrng
t6c hdp d6n ld tuo-ng tdc
co cuirng
ci6 nho nhdt
trong b6n loai tuong t6c
co bAn.
D. Luc
hat nhdn li mQt truon-q
hop ri€ng cua
luc tucrng t6c manh.
Ciu
22. DiQn 6p xoay chi€r-r
ddt viro
hai ddu
doan
mach RLC mdc ndi ti€p
c6 bi6u thtrc
u
=
l00Ji
cos(Lxfi)(tr/
).
Khi
cuong dd hi0u
dung cira
dong
di€n trirng mach ld 2.A thi cdng suAl
ti6u thu

cira maclr ld 100 W. Gifr'cO
dinh R. di6u chir.rh
c6c th6ng
s6 khiic
cira rnaclr( L. C vh tan
s6
f;. Cong su6t
ti€u
tlru cr"rc dai trdn doan
mach lir
A. r00 w. 8.200
w.
cr.400 w
D.
800
w.
Cliu 23. I'hat bieu
rrao sau da1, 1* khOng
clirng?
A.
Dicn
tir trLrong bicrr thi0n theo
thoi
gian
lan truy6n trong
khdng
gian
du6i dang s6ng. D6
ld st'rrrgtlll{J:lg
cli6n ru.tan rrtry,€rr

vtri
van
t6c rdt
t6'n.'frong chdn
kh6rrg.
vdn
r6c d6 bing 3.l0sm/s.
C. S6ng di€n
tir rnang ndng luong.
Buirc
siing cdng nho thi nlng lucrng cita
s6ng
di6n tir
ci\rig lon.
D. Sirng diqn.tiL
lz\ sting ngang.l'rong
qLrd
trirrh
lan
truy€n s6ng di€n tu'thi di€n tru'o'ng bi€n
thi€n
v.i
tt trrro'ng
bi6n thi6n clao d6ng
cirng
phu'ong vd cung
vuong goc
voi
pl,r,ro-ng
truy6n

s6ng.
Ciiu
2.1.'l'rong laze
rubi co
str
bien ddi cua dang
ning lu'o'ng niro du'o'i dAy thinh
quang
ning ?
A. di0n
ning.
.B.
co nlrrg. C'.
nhi€t
rrdng.
[].
quang
ndng.
Ciu 25. lr4ach di0n xoa1,
chie u I{l,C ndi
tiOp co dLrng
khAng kirr
htrn cam khang.
De
c(r
c6ng
hr"rimg
,
'A
cllcll. trl CO tl.lL'

A.
giam
di6n.clLrng
cira tu
di€n.
B.
giAm
h0 sO
tLl carn cira c,r-r6n dAy.
(i.
tiurg diQn
tr-ci tlruin cira cloatr trach.
I). llng
tArr so dong di0n.
Ciu26.Clrobier:
ltngs0 I'liurgh:6.(125.10r41.1s;;tocdQdnhszingtrongclrinkh6n-ec:3.108(m/s);
cltr l6n c1i0n tich cua
eleclrc)n c
:
1.6.10-"'C.
Cutlg thoAt electrtn
cita trOt
kirl loai dirng ldrr
catot l.i A
='3.6
eV.
Ci6'i hatr
quattg
ciicn
cira

kinr
loai
d6 la
A.1.351nn.
I\.0.315pn.
('.0^321pn.
I).0^
126
1un
.
Cfru27. [:iOt
van
tOc cuc clai c,ira
rnot
vlit clao d6ng
didu hoa ld v,,,
r,a
gia
t6c
cuc dai cua nci ld a,n.
Chu
ki dao dong cua
vdt nd1' ld
-,
.
f
^,,,
.
t ).
2o',,

.
C.
1',,
D
e,,
l',,
2fa
r,
27n',,,
Ciiu 28. Cho
phdn ung hat nhan:
']
tIc+'!X
-+ ,t'+lA
. Irlal nhin X co
cdu tao
girnr
A. 8
prdton
va
17 nolrorr.
B. 8
notrotr
vd l7
pr6ton.
C.
8
prdton
vA 9 nolron.
D. 8 notron

vir
9
pr6ton.
Cf,ri 29. 1'hoi
gian rle
s6
hat rrlian c:ua
nrot chAt
plrong.ra
giirn
e tdn ki
199.1 ngar,. Chu
ki b6n rd
cira chAt
phong
xa
n.i1' la
A. 199.1 ngiv.
I3. 138
ngar,.
C.
99.55
ngay. D.40
ngd1,.
]-RLlOr.*C ]-UPl- CHLiYI-N
Ot-lSp IJA r,\OI
-THI'fHU DAI
HOC
t.AN
4-(2010) -

)\46n
Vat
li- l\li
tid 47,1
cau
30'
Mot
con
lic
dcvn
vo'i
lion
bi
co
kh6i
luong
m.
dao
ddng
didu
hoa
voi
bi6n
do goc
an tai
noi
c6
gia
tdc ro'i
tu'do

g.
Luc
cdng
ddy
N
cfia
con
l6c
dorr
o vl
tr-i
c6 g6c
l€ch
cu.c
dai
ld
A. N:
mg
sinao.
B.
N:
mg
cosao.
C. N
:2mgsina,,.
D.
N:
mg(l_
3cosa.).
Ciu

31. Phdt
bi€u
ndo
du.oi
cl6r,
ld
sai?
A.
Tia
hdng
ngoai
co
bai
"frai
la sonc
didn
ru,.
F' Yat
nung
n6ng
o
nhiQt.d.Q
thAp
chi
[narra
tia
h6ng
ngoai.
Khi
nhi€r

d6
cua
vdt
tr€n
5000C
,
vat
mtii
bat
dau pliat
ra
6nlisiing
kha
ki€n.
c
c
-1
l:
hOng
ngo4i.kich
thich
trri gi6c
rdm
cho
ta
nhi'
th6y
rndu
h6ng.
D'

Tia
hdng
rrgoai
ndm
ngoA.i
vung
6nlt
s6ng
khAL
ki€n.
tu6c
s6ng"cta
tia
h6ng
ngoai
ddi
hcrn
bLr'6'c
song
cua
6nh
sang
do.
Cflu
32.
Mach
dao
dQng
o'I6i vdo
cfn

m6t ni6y
thu
thanh
g6rn
mot
tu
di€n
c6
di6n
dung
bi€n
thi6n
trons
klroang
tir
I 5
pF
d€n
860 pF
vd
rn6t
cu6n
dAy tliudn
cdm
co
iq
trr
"a'"
LiA"
6ii".

oe
;;ffiti;;;:
s6nq
cci
bu'oc
song
lil
1 0
n d6n
1000
m
thi dd
tu'ciinr
c0a
cu6rr
ddy
c6
gi6i
n*1
Uien
tnii,,
tu
A.
r
.87.
rO{',
Fr
d6'
3,24i04
H.

8.3.24.1b-r
U?"
isil
0-{.
'
c.
r.87.
r04
ud€n3,24.r0-rr{.
D.3,24.10.H;.1;
i,sz.io"ii.
cffu
33.
I'hdt
biiu'io
sau
dav
la
sai
khi
nrii v6
thul€t
lu.o.ng
tu,anll,.,rg"
"
A
Nhilng
n{,,vc.,1
tr-r
.

ha1' phfln
til val
chdt
khong
trdp
rnu
hay
bric
xa
iinh
s6ng
rn6r
c6ch
li6n
tuc
rrd
theo
tirng
phAn
ri€ng
biet.
difi
cludng.
B
c hirrn
6nh
sirng
rd
dong
hat.

rn6i
hat goi
rzi
rndt photo'.
C.
Ning
lutrng
cira ph616n
ilnh
s6ns
lzi
nhu.nhau,
kh6ng
phu
thuoc
vAo
bLrci.c
sorrg
cira
6nlr
sing.
D.
Khi
iinh
sdng
truy6rr
di.
ctic
lurrng
1ir :inh

s6ng
kh6ng
bi thay
d6i,
kh6ng
phu
thu6c
klroAng
c:ich
toi
ngu6n
s6ng.
Cf,u
34'
Dit
m0t
di6n
6p
xoa)/
chidu
100V
-
50Hzvdo
lrai
dAu
nr6t
cu6n
d6y,(kh6ng
rhuAn
cAm

)
c6
dion
1ro
thudn
r:l0()thi
dong
cli6n
chay
clua
cudn
dAy
lcch
pha
L
so voi
di€n
6p
116.
C6ng
su6t
J
ti6u
1hu
di€n
cua
cu6n
dAt,
li
1\.600

w
B.
500
w.
c.250
w.
D.
125
W.
Clf,u
35.
I'}hdt
bi€Lr
ndo
sau
c161,
l;
khfing
clirng?
Ctr
ndrrg
cua
rnOt
vAt
dao
dong
didu
hr)a
A. ti
le

nghich
[-rinh
phLro.rrg
cira
v6.i
chu
ki
dao
c.l6ng.
ll. ti.lC
thr"riin
r,6.i
bi0n
d6
dao
dOng.
C.
bing
thd
ndng
cua
vAr
o'vi
tri
bien.
D. biurg
d0ng
nlng
cua
v6t

khi quari
trf
cdn
bing.
!nu.lu^.'l'rong
thirghi€rn
Irng
(Yourrg)
v6
giao
thoa
6nh
siing.
iinh
siing
dLloc
dLrng
lii
Anlr
s6pg
don
sitc'
'l're
n
b0
r6ng
7.2 ttttn
cua i'irttg
giao
thoa

1r€rr
mdn quor,1ut,
ngtroi
ta ae
rn
cluoc
9 vA,
s6iig
(o
hai ria
ld
hai
vdn
s6ng).
Tai vi
tri
ciicrr vdn
trung
t6m
14.4
rnnr
li vdn
A.
sain,e
bic 18.
C. s6ng
bAc
16.
Il.
r6i

thf t8.
Il.
r6i
tht tfi
Cliu
37.
lr4ach
I{.I.,C
nOi
ri6p
c6
R
= I00
(O)
:
L
=
!
(t
t)':
C
7r
doarr
nraclr
la:er
=
l20r/2
cos(l
00n
-I)tr,).

Dong
di€n chay
trong
mach
c6
bi€u
thirc
4'
A.
i
=
0,6r/2
cos(t
OOzr)
l,q)
.
B.
(.4).
(F).
Di6n
dp
ddt vdo
hai
dAu
i
=
1.1.".[roo'
n1)
4
'fRLTONC

r-Hpr
ciIUYiN
OrrSp
HA
NOI
-THr
rt-rU DAr
rjoc
LAN
4-(2010)
-
Nr6n var ri -
t\r5 da,r74

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