đề thi thử lần 3 2016 trường chuyên ĐHSP hà nội

TR

G DHSP HA NOI

TRtIctNGTHpr cHuyttt

THr rHr.I CHUANBI CHOri rnr rHpr QUoc crA NAM2016
MONv4r li
(Thdigian ldmbdi: 90phrtl
Mfr ift thi 131

Bn rrrr cOvT50CAUgtl cAu 1DENcAu solDANHCHo rAr cA THi SINH.
Ciu 1.:MQt ddng diQnxoay chiAuc6 cudrngttQtuc thoi: i = 2{2cos(l00zt), (trong d6 i tinh bdng A cdn t
B. Tan sd g6c cta ddngrliQnld 100Hz.
D.
rr. Ddng
Lrongtti€n
dlen ddi
dOlchi6u
chr€u314 l6n
lan trong m6t gi6y.
CAU
ru 2: MQt machdao d6ng, gdm cu6n ddy thudn cim c6 ttQtg cdm L vd ru ttiQnc6 rtiQndung c, dang
thgc
rc hi€n dao dQngdiQntt t.udo. Chu ki cria dao d6ng trongm4ch ld
I
-.
2n,lLC
6.
'

c.2*8.

C0u 3: DAt dien 6p xoay chi6u z = f./ocosat.vito hai dAucira mQtdo4nm4ch chi c6 cuQnddy thu6n cim
v6i d0 tu cim L. Dong tliQnxoay chi6u ch4y trong m4ch c6 bi0u thric

B. i= ( Ir aLcos( ar *|1.
C. i =9tcos;{at+}).

D. i= (Iootlcos(ar-;).

C6u 4: Phritbi6u ndo sau
$ay dungi
A. Ddng di6n xoay chi6u m6t pha chi c6lh6 do m6y ph6t diQnxoay chidu mQtpha t4o ra.
B. Ddng diQndo mrly phrit tliQnxoay chidu t4o ra lu6n c6 tdn sOtang s5 vong quay trong mQtgi6y cira
r6to.
D. Chi c6 dongxoay chi6u ba pha moi t3o ra ilug
Ciu 5: Rudc s6ng.ldkhoangcrichgifia hai rlitim

g quay.

B. gAnnhau nhdt md dao d6 cing pha.
c.
C. tr6n cirng mdt phuong truydns6ngmd dao d6ng tpi hai di6m d6 ngugc pha.
D. tr€n ctng mQtphucrngtruyiin s6ngmdrdao dQngtai hai tli6m d6 .trng phu.

Cf,u 7: Ph6tbi€u ndo sauddv ld 'A.
Pin quangctiQnld thieibi Ui6nEOiquangnlng thanhh6a ndng.

C. Hi€ntuqngdiQntro criach6tb6nd6ngiemdi khi bi nungn6ngggi ld hiQntugngquangdfin.
D. HiQntugngquangdAnh hiQntuqngaAneignvd tin hiOuitiOn
tu bangc6pquang.
Cflu 8: Quangph6v4chph6tx4ldmQtqq3ngph6g6m
A. citcv4cht6i nim trCnnAnquangpnOnentpc.
D. mQtvach siingnim trCtrn6n tOi.

:


9: MQt
O.ien6p c6 s6 vong ddy cta cu6n so cdp l6n hon s6 vong dAy cria cuQnthri c6p. N{6y
1a1
9.1
bi€ 6p ndy c6 t6c dung
A. tdng cudmgdQdong di6n, ting diQnr{p.
B. giAm cuong d6
C. gidm cudmgdQddng diQn,gi6m diQn6p.
Cdu l0: Theo thuy6t lugng tt 6nh sring,p$it bjiiu ndo sauddy dung?
A. Nhirng nguy€ntu hay phdntu vQtchAth6p thg hay bric xa ilnh sringmQtcrichli6n tgc.
B. Ning lugng ciacirc ph6t6n rffi s:ingimg voi c6c rinh sangrlon 16. tti" nhauthi c6 gi6 tri nhu
nhau,kh6ng php thudc v
6nh srlng.
D. Khi rinh sringtruydn di, c6c lugng tt enh sring cang d
Cflu ll: S6ngiliQnttr ld

sangc6 ndngluong cangnho.

truy€n trong c6c mdi trudng dan h6i.
C. s6ngc6 ndnglugng ti l€ voi binh phuong cria bu6c s6ng.

D. s6ng c6 hai thdnh phdn Ciu 12: MQt v0t ktrOituqng m, dao dQngdiAuhoa voi bi€n r10A vd t6n si5g6c at . Condng criavft ld

Ciu 13: Trgng dao dQngdidu hoa:
A. Gia t6c criavdt cgc dai lJri vpt di qua vi trf c6n tiang.
B. Gia t5c cira uit tu6n ngu-o.
c pira voi vAnt6c.
C. Gia t6c criavft lu6n
voi li d6.

Ciu 14: Khi n6i ve al s6ngdon sic, ph6tbitiundoduoi ddyld sai?

CAu 15: MQt dni s6ngdiQnttr trong chdnkh6ngc6 tdn sti tu 4,0.10|aHz d6n7,s.l0t4Hz. Bi€t t6c tt6,rinh
siingtrong chdn kh6ng ld: c = 3.10um/s. Trong thatrgs6ngdi€n tu, dii s6ng
A. tia Rcmghen. ,
B. tia tu ngo4i.
C. tia h6ng ngoAr.

CAu16: DoanmachR, L, C mic noi tiiip c6 R: 40 ct; L =!ur;C
5tr

mach di6n 6p u =l2}Jicos

taartff).

=!y
6n

/.D{t

vdohai dAudoan

cuong d6 dong
A. i = t,5.f2cos(lo
ort -!1 11i,.
4"
C . i = 3 c o s ( 1 0 0 2- Lt l | , / i l .
D . i = t , S c o s ( l O O+z3t ) ( A ) .
4'
4"
Ciu 17: Con 6c ld xo c6 chu ki ridng T. N6u tang khOi luqng cria qui cAu l6n
eap 4lAn con lo xo vdn
gift nguydnnhu cfi thi chu ki ri€ng cta con lic s€ ld

c .r .

A.4T.

D.

T.
2

4
Ciu 18: Gioi han quangdi6n ctrakim lo4i natri ld lo- 0,50 pm . C0ng tho6t electroncta natri ld

A . 3 , 9 7 5e Y .

8 . 3 9 , 7 5e Y .

c. 3,975.10'o(J).

Ciu 19: Tronglhi nghiQmIdngvd giao-thoa
iinhsiing,khi dungrlnhs6nge6bu6c.s6ng2 thi khoanevan
tr€nmdnld i. N6uthay6nhsringt6n bangrinhsringcObu6c s6ng0,821.
(git
ia" ii!l" tf .e"ifri.l
"guve"
thi khoangvdntr0nmans€ld
B .0 ,g i .
c. l,gi.
D.1,25i.
Ciu 20: Mqt s6ngngangtdn sd 50Hztruy€n theophuong Ox voi t6c d0 truydn s6ngli 4 mls.Bu6c s6ng
crias6ngtr6n ld
A.4 cm.
B.12,5 cm.
D.20Ocm.
- - ' - ^

- !

- -

L

4

l !

Ciu2l: Con i6c lo xo il6ng toanpnan-rcroi_llq"e vAtndngcta con l6c.h m :250 e A6v
oingndng cuc dai criavdt ld
"':ro;.
0,288J. Qui dpo dao d6ng ciravQtld mQtcloqnthlng ddi
A. 6 cm.
B. 10 cm.
C. 5 cm.
Con lic lo xo g6m lo xo nhg vd vft nho dao
.dOrlgtti€u.hda theo phuongngang voi tAn s6 g6c 10
y m5c thti ning o vi tri cdn bing cria vat. Bi6t ri;g khi dQngnang va tfro ndng bang nhau thi v6t
c6 tOcd0 bing 0,6 m/s. Bi€n dOdao rlQngcta con l6c ld
A.6 cm.
B. r2Ji cm.
C. 12 cm.
Cdu 23: Trong mQtmriy bi6n rlp li tuong, s6 vong ddy cua cuQnthri cdp gdpd6i s6 vdng d6y cta cu6n so
c6p. Eat vdo hai dAucuQnso cApmQt tliQnap xoay chidu u: Uocos(ort)(V) thi diQnrip hi€u dgng gita
hai dAucta cudn thri c6p c6 gid tri ld
a

1fl

D.

uo
2

Ciu 24: Chi6u tia tri ngoai vdo dung dich fluorex€in thi dung dlch phht raanh sringmdu luc. HiQn tuqng
d6 ld hi6n tuqng

A. h6a - phhtquang.
B. phanquang.
C. lanquang.
CAu 25: Hai di€m cirng nim tr€n cung mQtphuong truy6n s6ng,"c6chnhau25
rO rOrg lit 20 Hz.

tdcd0truydns6ngld to mrs.DQlQchlna cuaaaoegngtaitraiE'iem
tre;il-lt
s. L.
c- .- 7 .
D
.
.
"
'
4

4'
2'.
r4n m4ch g6m dign tro R m6c n6i ti6p voi mQt cuOn
t6i c6 cudmgd0 0,24 (A). Neu mic vdo hai dAudoan
ri cuong dQ ddng dign higu dung qua m4ch ld I (A).
c . 0 , 1 4H .

D . 0 , 3 5H .
Ciu 27: Dat dien 6p u: Uocos(rot)(V) vdo hai dAu doan mach c6 R, L, C m6c nOi tiep. giet Uo kh6ng
coi va trong dognmpch dang xhy racQnghuong. N6u teng t6n s6 cirarli6n 6p thi
A. cuong dQdong diQnhipu dpng trong do4nm4ch s€tdng.
B. hQsOcdng su6tcria doanmach s€ tine.
\

D. diQn6p hiQudUnggita hai ban tu ttiQns6tdng.
ciu 28: MQt chdt ditim dao dQngdiAu hda voi phuong trinh x : gcos(rut+ n/4) (x tinh bdn cm, t tinh
bing s) thi
A. chu ki dao dQngld 4 s.
B. d0 dai
ld 8 cm.
am.
D. khi qua vi tri cdnbing, vdn t6c cria ctr6tOiemc6 rl0lon g cmls.

Ciu 292MOt s6ngdimg truy€ntr€n mQtsqi d6y theophuongtrinh: z =zsin|icos(20nt'*|la^1.
TJongd6 u ld li dQdaod6ngcriam6t <1i6m
c6 tga t16x tr6nddyd thoi di6mt; voi x tinh bing cm; t tinh
bangs. Vdnt6ctruyAns6ngLdnddyld
A.40 cm/s.
ii:9"

B. 120cmls.
D. 160cm/s.
l6c dcrn,c6 chiAudii ddy treo ch6nhlQchnhau 45 cm,dao dOngdidu hod t4i cr)ngm6t

t r6i Ddt..Trongcirn-g
pOtkhoanethoi gian,conl6c thri nh6tthgchiQnS"". +Odaoding
:y l.:i
" U
"o-n"on
-o.
c 50 dao dQng.Chi€Lrddi ddy treo cta c6c con lic d6 tan tuot
B. 180cm vd 125cm.

Ca33f :

C.200 cm vd 155cm.

D. 105cm vd 60 cm.

61xoaychii:uc6 giiLta${-{une U = 150V vdohaidAudo4nmpchc6R n6iti6pvoi

$iTL. EiQn6phiQu
?ithudn
cudncdrn
dgnggita haidAucu6ncim ld 120V. HQsOc6ngsu6tcriado4nmachld
B. 0,9.
c.0,7.
D. 0:9.
Cia 32: Theom6unguyOntt Bo, trong nguy6ntri hidro,khi Olectron0 qu! rl4odimg thri n.thi ndng
luqrrgciranguy€ntri dugcx6cdinh boi c6ngthric E"- =-!?r'u
n ' (eV) (voi tr: l, 2,3..). KLi guy6ntu


chuyEnttr tr4ng thrli dtmg c6 mirc nd.ngiuong img voi n : 5 v6 trang thdi dung c6 milc ndng lucmgimg
voi n : 4 thi phtit ra birc xa c6 bu6c s6ng tr"0.Khi nguy€n tri hdp thU mQt ph0t6n c6 budc s6ng 1"thi
chuy6ntir tr4ng thdi dtmg c6 mric ndng lucr-ngtmg voi n :2l€ntr4ng thai dimg c6 mrlc ndng l"qg .-g
'

1
A

voi n:4. Ti s6 -- ld
/"0

B.

-) 5- .

C 2

J

o .1 .
2

Ciu 33: Dgng cg tto kh6i luqng trong mQtcon tdu vfr try c6 c6u lao g6- mQt chi6c gh6 c6 kh6i lugng m
duo.c gin vdo dAucria mQtchitic ld xoc6 dQ.cimg k : 480 N/m. DOAo UrOi lugng cria nhd du hdnh thi nha
du hdnhphAingdi vdo gh6 rdi cho chitic ghe.daodQng.Chu ki dao dQngcria ghd khi khdng c6 nguoi ld Ts
: 1,0s ; cdn khi c6 nhd du hinh ng6i vdo gh6ta T :2,5 s. Kh6i lugng nhi du h
A.75 kg.
8.60 kg.
C.72kg.
Cflu 34: Cho mQt m4ch dao dQngLC li tucmg,cuQnddy c6 ilQ tU cam L =41tH. TAi thoi di6m t : 0,
dong diQntrong mach c6 gi6t i be"g mQt nira gi6 tri cgc d4i cria n6 vd c6 d0 lon rtangtdng. Thoi tti6m
gennhAtG.6t" lfc t :0) <1€dongdiOntrong mach c6 giiltabine kh6ns ld I rs. DiQndung cria tg di6n li
6',
A. 25pF.
C.25mF.
D.25pF.
Cflu 35: TrongmQt6ng Ron-ghen,hiQuttiQnthti.gita an6tvi cat6tld Uar<: 15300V. 86 qua d6ng ndng
€lectronbirt ra khoi cat6t.ChobiiSt:e: -1,6.10-leC; c : 3.108m/s;h:6,625.10-3aJ.s.Budc s6ngngiin
nh'
g ph6tra li
8.8,21.10-rrm.

C . 8 , 1 2 . 1 0 -m
1 0.
D . 8 , 2 L1 0 - r 2 . n i .
hgc sinh thgc hiQnph6p do ktroangvAn trong thi nghiQn'rgiao thoa I-6ng. Hgc sinh t16rlo
circh gita hai khe a=1,2+0,03(mm); khoang c6ch gita hai khe dtin mdur
=1,6+
D
0,05(m).Bu6c s6ngdtng trong thi nghiQmld )" = 0,68+ 0,007(pm). Sai sd tuong d6i criaph6p
ld:
A.7,L7Yo.
C.l,28Yo.
D.4,59Yo.

Ciu 37: Dat vd9hai dAudo4nm4chRLC nOiti€p mQtttiQnrlpxoaychiduc6 giltri higudungkh6ngdoi
vdtdnsO.thay
d6i duo.c. Kfi tugsOta fr thi he sO.Or,gsu6t do4nm4chUangO,+0vdc6ngJ,:6ttiei th,,,
ctran6 beng160W. Khi tdn s6 h f2 thi c6ngsuAtti€u thg",iu
criado4nm4chbdng360 W. HOsOc6ngsu6t
cta do4nmachkhi tl6 ld
A.0,90.

c. l.

D.0,80.

r6n mQtsqr ddy tlang c6 s6ng dimg voi bu6c s6ng1..A ld mQtdi6m nrit, B ld mQtdi6m bgng vd
C ld mQt di6m gAn A nh6t mir trong mQt chu ki T, thoi gian li rtQcua B nho hon bi6nd0 criaC h,l
Khoangc6chAC bdng

s. 1.

s. 18

D .r .

B . 0 .5 0u m.

C. 0.70um.

D.0,40pm.

6

3

t6
:
Thgc-hi6n giao thoa rinh s6ng vdi hai khe Idng c6ch nhau a 1 mm, c6 khodng vdn i : I
mm. Di chuy6n mdn 6nh (E) lei gAn hai khe th6m mdt doan 50 cm thi kho6ng vdn la 0,7 mm.
Buoc s6ng cria bric x4 ding trong thf nghiQmld
Ciu 40: MQt vSt tham gia d6ng thoi vdo hai dao dQngdi6u hod c6 phuong trinh: x, = 4.,6cosl0nt (cm)vd
xz = 4sin(10nt)
(cm).Van t6c criavdt khi t:2 s le
A.123 cm/s.
B. 120,5cm/s.
C. -123 cmls.

46ng hdpthg am.MOtnguo]cAmmQtmdyclocuo

d€ x6c dlnh cuong d0 am. Bi0t rdng khi di tu A ddn C cucrngd0 em tlng tu I d6n 4I rdi l4i gi6m xu6ng I.

. AO,,
ll so Dans
AC
A l
1-. -

a

J

o 1
4


6t con l6c ld xo d.ettr€n mdt phdngnim ngang g6m lo xo nhe c6 dQ cimg 2N/m
vd v6t nh6
a0 g. HQ s6 ma s6t truo'tgita vft vd mat phdng.rg*g ld 0,1.'BandAugifr vft
crv! tri ld xo bi

lo xo g6m ld xo c6 dQcwrg 200 Nl
thdng dimg voi bi6n dQ 12,5 cm. K
nh6 kh6i^luo-ng500 g bay theophucrngtruc lo xo, tir
: 10 m./s'.Sauva ch4m,hai vdt dao d6ng
cti6uhoa. B

c6chtu mdn quansdt toi hai khe ld2 m. Chi6u s6neh
< 750 prrn.Budc s6ng ldn nhdt cria c6c bric xa chlo.,
mm.ld
A . 7 3 5n m .
B . 6 8 5n m .

C . 6 3 5n m .
c6iu 45: MOt dan ghi.ti
ddy
dao
dQng
ddi
ls:
40 cm, cdng giira hai gi6 A vd B nhu hinh v6. Dau
f qhT
c r l n d a nc 6 c d c k h a c l 6 i c , b , E , . . . c h i a c r i n t h a * r c i i c r6, 2 , 3 , . . , * i g a i a a n ; k # ; ; 6 " " g o r " r " y

vdo6 ndothi ddvdandaodQ"gui qh?t*.

qir"e ba (la3)c6tdn toia qio Hr. A" ;# ti;i";hA;

T" li
ddy dao t1Qngld CB: /1,6n vdo O 2 thi pnan
aayAuo O9.rgfa Og : l2,...giCt
Amphrlt ra cdchnhau
"6.
nfia cung, quangnta cung img v6i ti s6 c6c tdn s6 bins: o =W =1,05946
hay I = 0,944.Khoangc6ch
a
AC c6 gi6 tri ld

truy6n s6ngtr€nm{t nudc ld 0,2 mls vd bi6n d6 s6n1
ngu6n 51 ddn di6m M nim trCnduong trung truc ci
vot cdcngu6nld
A. 70 mm.
8.72 mm.

C. 66 mm.

T6c d0 v c6 gi6t4 bang
A. 12m/s.
B.3mls.

,.-n

n a

l z a ^ - . at r a- r - 11?.

^

, J

D. 6g mm.

D. 8 m/s.
ktrOiluqng m: 100g dao
vd mdt ngang ld

lQch,kh6i
bangmQtdo4nl0 cm rdi thi nhechov6t daod6ng.rrrcri
l'.:.O:O?iK{o
:T
"?l
liaritc tir
"i11
lfc bdtcl6udao

dQngchoi16n
khi dunghanh
A . 1 5s .
8.55 s.
C . 7 5s .
Cfiu 49: Cho mach di6n xoay chi€u AB g6m hai do4nAM vd MB mic n6i ti6p,
do4nAM g6m bi6n tro R
vd tu di€n c6 di6n dungc: 'l!9(ut), doanMB chi c6 cu6nc6mthu6nc6
dQtg cirnLthay d6i dugc. D{t
vdo hai dAudo4n mach AB mQt diQn6p xoay chiAu6n dfnh u = UJ7cos100nt
(V). Khi thay e6i c9 ts


c6m tgi giri tri L6 ta th6y dign rip hiQudgng gifta hai dAu dopn mach AM ludn khdng
criabi6n trO R. Giri tri Le bdng

voi mgi gia tri

n.1H.
TE

t m4ch dao dQngLC li tuong. Ban d
ttrFnn6i n6 ug tq ttiQnthanh mach kfn thi rli€n tich cgc <
ngdn nhdt kC tu khi ndng lugng ttiQn truong cgc d
lugngtir truong ld I .10{s. Gi6fi cfia( li
A.6 V.

8.4 V.

\

D.2V.

\ \,,r,,:

t. \


wa- w4 lI-, lol = o*
f

C d r - t U , A = 4 o ( . r , t , Z y = Q o 6 _ rt;r = 6 o ( o t

u:

4% ti, c&s,mn* ( V)

stiA =60 ) A:-68(c"1,r
G*Q 3 ,
+

l----

9.,r,l = { R{+e,-aoJ = +o{i l{rt
ei.o =-}

=

af 4.t

srAt

*,{tf=-in=-/ )y=-w+.

U,=

> ? V ; = Y o ' Y = c 2 + D + = VCd*
+ JS9 fT dE h , L'=3. cq(roon*
+Wl At
ei*, tl , OI* q crn{o.t.'lt* ,

.,
,,
{ = e fi3 \,[ = to ry/s d= 2S

? ) = $T =t

g,2l7 - ir (xal
=
Arfl = *.ro
>
9
o

4 6 ) T ' = z Tl t| @
6 =&.r

@jl-._

lr' :
Cm Jt"; a^,17o'^
i

l

= o25\mrt= 5o le*,t

=r@ 6+ P 'duf,zd'i-

T= PfrP e M S-t Lt^!,f
fu6[,
Cdr.n.

N

t

Q=.12't)og1t/: I zor241A
! = r o c ( . t 1 , , 9 6 1r. , L^' . l w '

-F2kk W 6[icoi t- cl;; +A

A - g ) A = q 6 2 , r d' ' '' 1' r
)o

s . r d+^ , , u =

-T!
T =

J-

x 3t9+F . ,0 (T)

=a R= U = !2- =5oqo7
et<'l
r

t r ttJ 7.F J of xc tl; |'a)dh F*L:

r=t=fu

A" J>4x< la/)

q t ' * z i= ( g f =

4

,,lO'

,/
/
C d r . r o .'B
, t > n;
ac(
d) l*(

).=.

g'T= d

= 4

+ r o

, zr-= {€f-u^

=oro\(n1= 8'e4

e L =

Sg"-U- ztJ =4T ='ttV + l,D=gT()r*t
r.riRL= o>zES
=
(W,fi)rrer
{2
irt
fi =

4

A :

t r h
H t f

r

blew2

at d^"rltf cd 6 .' A A : 4 & l w t
0

t00ll

2fr

- Qtz+rg(+l) \ o,2$(tll
Ct*, so, at = 4OTr- SoT*..
It'- lzl : + s\cql.

9$0 1q7

= 0 7 0 6 ( r u=

so6tq,'
_=
qo'13 .{i

-

T


:

C6,ilo

C d ^ ^ s i ,R.-t #,,trr=o
rv .

U = lSo('v/ i Ur- nQ-o

t'; , c.LY
+ ui
UL--unL

f n r L ,i = 2a2 4
=r S=

cd; ifl' %","81
^

A2t

/.

oro6f,q

v

b= W
C-,+tl=
+=
'
L
t;o
U

t t : -# ' n# - y
At

,?-

4

crJ d

a

R-t -c r.f,

q-

q,,Cor-Y"
P
r a R

e
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