Tài liệu Đề Cao Đẳng năm 2010(có lời giải chi tiết) - Pdf 78

ÐỀ THI TUYỂN SINH CAO ĐẲNG KHỐI A NĂM 2010
Môn thi : VẬT LÝ – Mã đề 794 (Thời gian làm bài : 90 phút)


 !!"#$%
&
'( )*
+,-./
0
12%3"%4
1


'

5/6


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
Gợi ý4


   
   
UH H He n MeV+ → + +
4GVW3"3$XV>
GV$+/?=>?L
1
&
 7

 

 P


Gợi ý 4'4
1
(1

YU
0
4


Câu 3:PZ@>"%%; 5/6[2O@#9
U

Li
:T-.\S]3,
>ST,GV3@3,;Z 2O$%$^'/3γ7GV
W3"3N3>STOU5/6J N3'_@"3O

Gợi ý


Q
I
=
ω
RQ
Câu 5:Jf*!>?3-g,,h

ω2O38,@'@L;*"d,8\ihO
*!>*,ajk338,@'@l

2Ol8GVO!"HTC!"He@2O!"H
*,ajN3GC aE*"@'@m*TO3,#-sain
1
 

U I
U I
− =
 7
 

U I
U I
+ =
 

u i


t
I
i
U
u
ω
=+
Câu 6:Q@' 2H"+"'%"GC",-g#'$GC #'=>8!"HGC
#'38,M'TGC #'
1S'7 7.'7 .'a7 PS'a7
Gợi ý`l

8Mc9a7:
Câu 7:Q@' p".'f=[p;g,aO
l
3a3 g,E32),$M
`g,aON3[.''M,$Ma3 g,E3N3;Og,aO
l

1' 7' ' P'
Gợi ý
ml
l
l







K9h
c
h

:

Rh
o

Rh
o
sh
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


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

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

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
  


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

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'

;>


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…


-.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

9':2O?


9 :

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

 7'(

 U'(

 P'(


Gợi ý ?


9 :

t
π
+

9 :t



.

3
Š
>?3-.

,23

3#

,3

'3

%

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"p
Œ
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Ω23

,

.

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.

"3

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
P,$3
Š
,
Œ
3,

.




1
  Ω
7
 



Ω
P

,Ž
Š
p9%
Š
3A:3

h
1`


6
Œ
u,3%


3#

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

%
Š
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



Š
aG

%
Œ


2p
Š
,



Š
7Gp

3

,
Š

Š
Q%
Š
%

",-.


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