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Tài liệu Đề Cao Đẳng năm 2010(có lời giải chi tiết)

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ÐỀ THI TUYỂN SINH CAO ĐẲNG KHỐI A NĂM 2010
Môn thi : VẬT LÝ – Mã đề 794 (Thời gian làm bài : 90 phút)
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&
'( )*
+,-./
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I. PHẦN CHUNG CHO TẤT CẢ THÍ SINH (40 câu, từ câu 1 đến câu 40)
Câu 1: 738,9:;' '<,=>;?@A,-.=BCD'

'<,=>;?@A
E@F@#G3H>#"IJCD'



K9:@#AG3H>#"I
LEF2)@#38,,$M!"IN3=>;?@;O
1 7  P
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Câu 2:>ST@#

   
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&
 7

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
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Gợi ý 4'4
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Câu 3:PZ@>"%%; 5/6[2O@#9
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>ST,GV3@3,;Z 2O$%$^'/3γ7GV
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Câu 5:Jf*!>?3-g,,h

ω2O38,@'@L;*"d,8\ihO
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Câu 6:Q@' 2H"+"'%"GC",-g#'$GC #'=>8!"HGC
#'38,M'TGC #'
1S'7 7.'7 .'a7 PS'a7
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8Mc9a7:
Câu 7:Q@' p".'f=[p;g,aO
l
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Câu 8:5 [E?q'2.W2OE?r; T4('a3 g,E32)
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N3[
1 7' ' P
Gợi ý Y

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Câu 9:Jf*!>,h

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Câu 10:5 '!->!*?3-g,' >3;>8S'O"%u,3-2) U2E(>v
Q8N3,=* S'T'O'!->!@"3Omwxf>eN3"%
1 7  P&
Gợi ý y>(R>y(
Câu 11:`' 2za3 g,E3M
1e${2g!aj.2z; )e@$2zd2H"+#
73N32z; )e@$2zd2H"+#
e${2g!aj.2z; )L*2)M>Gp. 
P2zN32z; )e@$2zd2H"+#
Gợi ý 6Q.26Q72
'3?
Câu 12:Q"+*'|#2g33!!!$/r>GV,!d!!
p[`S2#".'OO''Q"$Sk33D'52O4".'OdZ' 
>+32)2#!",#'!2#",#'8GV''2O''u,3!GV
12#!2O2# 72#!2O2#
2#!2O2# P2#!2O2#
Gợi ý


U

=


U

=
Câu 13:`;2g3α>!D,O3,#-Osain
1Q3α>;"3b@#2) '(
7`u,3*"GCk33Sj*3αH*2g>+3S#'N3j*
`"$%$+3αO';3$%$+2O'=a8GV
PQ3αOaE!@#/9


He
:
Gợi ý Q3α>;"3b@#2) 2.10
7
m/s
Câu 14:`;2g3q@>!D,OaG)#-Osai?
1Q3q@};D*,GVG;*b38
7Q3q@;$S#-"3' >ST;3i
Q3q@;8)p8N3!!W
PQ!ajXz=N33q@O!aj*
Gợi ý
λ
)RyW
Câu 15:Jf*!>,h


ω2O38,, S',8; eS'cQ@CD'*!>
k338,, S'; )e@MGC aE*u,3, S'
1


U
L
ω
 7


U
L
ω
 

U
L
ω
 P
Gợi ý h
'3?
RY
'3?
RY

R
Câu 16:x;*b
1O;aif;3

7O*b"GC3",-g"$%3
;O>8*"GC2OO>8b"GC@' D'a3 Z>Gp
P$%",-gGV"#$%
Gợi ý J4xJQ
Câu 17:Q/,-GV]!!>!D,OaG)#-Osai?
1~!GV@Od!@iO>%%
74GVN3!>%%!!OG3,$%>j, 8N3!!
Q"#$%!>%%3-ai/3!2) 
&
'(
P#],-.]>!?@3-=>j!!};•3Ov>!?@3-=>j
>%%
Gợi ý

  y
ε
λ
Câu 18:Jf*!>
  u t
π
=
96:2O38,@'@17q'3@'@15
2O57'[>J@15q'*"d,8o'[>2), S',8c@57
L;j*7*!>k338,@'@152O*!>k338,@'@57;
!"H*,aj3,G*>33,


π
J*!>*,ajk338,@'@
15

1
 
6 7


6 6 P6
Gợi ý
 

 

L
AM MB AM R L
R
U
U U
U
π π
ϕ ϕ ϕ
− = ⇒ = ⇒ = ⇒ =
9:

  
R L C
U U U+ =
9:9ah
15
h
57
:Q3-9:2O9:Rh

c
h

(9:
h

h
o

K9h
c
h

:

9:Q3-9:9:2O9:Rh
15
h
57
h

6
Câu 19:5@a3 +Gdq', S',8; eS'c2Oj*;*a,
3e*a3 *bea\ih

O*!>e@k33Sj,2OO*!>
k33Sj2OGC aE*"'@@CD'm*TvO
1
  


9 :i LC U u= −
 7
  

9 :
C
i U u
L
= −


  

9 :i LC U u= −
 P
  

9 :
L
i U u
C
= −

Gợi ý YY

KY

R
  


  
  
Li Cu CU+ =
R
  

9 :
C
i U u
L
= −
Câu 20:5 ,q!L>!"3!!p[;8

mw%,=T?@*b
N3,qOYx>%%'O,q>!"3"' #-?=>?L
1
0
 7
0
 

 P
0

Gợi ý 4yR4
Câu 21:m*GVO3,#-$€H!!;+=;n
1m*GV33!! 7m*GVu,3*O
m*GVu,3*" Pm*GVu,3>!u,3
Gợi ý•
Câu 22:Q"!@3‚op/q@]@p['O,j3;8W=

O
13]@ 73q@
3p['O,j P3op/
Gợi ý 3q@;;)=R8W=
Câu 23:Q"pq$N3' '!->!3aZ2%,-không; >zOaG)#-n
15@!; 75@$,-@5@*, P1/
Gợi ý '!-,3');5@!;
Câu 24:5  p$%q 3>3'[/$D,M3GV2O'@*3>3
;*!>>3h
3
6%,=*N3 pO
 
$Y*%,=N3 p
O


GC aE**,aju,3'_, a#-N3 p
11 71 1 P1
Gợi ý 


>
h
>
l
>

ϕ
Rl
a

l
>


(9h
>

ϕ
:
Câu 25:4,-.]"%,-Db"@!ab;GVƒ

/63"@!ab
;GVƒ
'
/67G);N3T?@'O,-.]"%>!"3?=>?L
1
U
' 7

' 

' P

'
Gợi ý ƒ

ƒ
'

hc

λ
λ

Câu 26:5 $,a#-a<>€arMkz;2Ea#-a*+'_2EO
'

`,u,3-g,2) 2E(#-u,3' "j?T'"'f>€N3
$,a#-"' b"GCg,;2{pS'Tb
B
ur
2,%;2)"ju,3-2O; )


π
Qx,=* e@"$,a#-
1
 
6 7
 
6 6 P6
Gợi ý ƒ

47x
ω
Câu 27:5 2za3 g,E32). '5d2H"+#`2z;
 


8pM2z!2H"+#' @
1' 7' ' P'

Gợi ý YY

KY

R($1

(„($1

K($?

R?1(
Câu 28: Q"!O3,#-N3*5fQ"C‚QN-Q"!J=QX5 
O?35f"C=O
1Q"!J= 7QN- QX P5 
Gợi ý Thủy tinh`'Trái đấtmW3Mộc tinhThổ tinhmS2GpQ.2Gp
Câu 29:x2)@#
0

Si
@#


Ca
;g,p
1p"%2O>"%% 7p"%2O>"%%
p"%2O>"%% Pp"%2O>"%%
Gợi ý
0

Si

;>


Ca
;>Rx2)@#
0

Si
@#


Ca
;g,p
p"%2O>"%%
Câu 30:Jf*!>,π96:2O38,@'@q'' "do'[>
2)' , S',8; eS'

π
mJg,L"dD%,=W3*"."d
@e@$;GC aE**,aj"@'@
11 71 

1 P


1
Gợi ý D%,=W3*"."d@e@o…
c
R…


Rlh(…
Câu 31:5 $+N-;;u,31

f"$%$+,=N3
$+2)!!W2O+'8GVO2O&,' Z'3!r>
q'3T?@W2O+'2O'f.N3$+/>Gp2,%;2)'fO-\;@
d3W2O3+'3,$;"3$W'f.$3N3$+?=>?L
1

 7

 &

 P


Gợi ý

PP

P

9



:1
Câu 32:Q"/[p2O"8' %%@p;3"i"GC0&'(

`%%T

-.M,$Ma3 g,E3N3[O4,%%,-D €3a8g,".
GC'32)3'(

M,$Ma3 g,E3N3[?=>?L
1 7& 0& P
Gợi ý
2 2
hd
g g a= +

hd
hd
hd
T
g
T
T g
= ⇒
Câu 33:5 2za3 g,E32),$MQiC3Ov2zu,32H"+#
2zN32z88,.dCD'
1

T
 7
&
T
 

T
 P


T

Gợi ý 6Q7R7.92:‚

T
Câu 34:5 ;p",-g"' '%"GCai/"j†?2)>Gp"M,9ππ?:
9':9?+'{+#-:Q ",-g;
1


'( 7'( '( P


'(
Gợi ý

x
π
λ
π?R
λ

ω
πRQ2
λ
(Q
Câu 35:,-D N3' 2zOXV>N33a3 g,E3Z>Gpm3a3 
O-;>Gp"M8GVO?


9':2O?


9 :

t
π
+
9':\3N32z;
)e@
1U'(

 7'(

 U'(

 P'(


Gợi ý ?


9 :

t
π
+

9 :t


R?

?

Z>3R1U'
ω
3
'3?
1
ω

U'(

U'(

Câu 36:`;2g;#'>!D,O3,#-Osain
1BZ' *  ",-g;#'"$%$+Wp ",-g;#'
"G)
7x;#'",-gGV"!'%"GC"[W2O$+
x;#'"$%$+O;ai
Px;#'"$%$+O;3
Gợi ý x;#'"$%$+O;ai
Câu 37:,!!"[a' ,q;!>!"32O$/r>‡N3' '!-u,3
>X$+M".='$+S9f='$+'C:N3,qSˆ,GV
1!!"[
7' aS;'O,bW+'g3,' !.j
!2@'O,!?/$ˆ3,
PS-2@!bW+'!3,k$S
Gợi ý•
Câu 38: J


.

3
Š
>?3-.

,23

3#

,3

'3

%

'.

"p
Œ
,#

Ω23

,

.

'

Š
%
Š

.
Š
>7.
Š
.

3
Š
>G

33#

,3

'3

.

>3

π
2p
Š
Gp

%


a

.

"3

'3


P,$3
Š
,
Œ
3,

.




1
  Ω
7
 



Ω
P

  Ω
Gợi ýϕ =-

π
tanϕ =

C
Z
R

=>Z
C
=
  Ω
Câu 39: m.

,.

.
Š
G

33.

G

,
Œ
3%
Š

,Ž
Š
p9%
Š
3A:3

h
1`


6
Œ
u,3%


3#

,,
Œ
3./"$G
Š
"3$
Œ
3%
Š
Q#

%
Š
p

Š
#
Š
,
Œ
33A'3

%
Š

Š
.
Œ
>3
Š
"3?#
Š
>

Œ



1&

mw 7&
0
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U
mw P&

&
mw
Gợi ý+Bước sóng ngắn nhất tia X có thể phát ra:
'
AK
hc
eU
λ
=
+ Tần số lớn nhất
'3?
'
c
f
λ
=
Câu 40: 5%

p

a#-17
Š
.

,a3

'3#

,1%
Š



#

,7
Š
2p
Š
'%

3
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,
Œ
3
#'3a3%

.

,3

2p
Š
#

%
Š
mwQ".a#-17
Š
'%



Š
aG

%
Œ


2p
Š
,



Š
7Gp

3

,
Š

Š
Q%
Š
%

",-.



Š
".a#-3

1'( 7'( '( P'(

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