Trường THPT Chuyên Nguyễn Huệ - Hà Nội Trang 1/6 -  130

SỞ GIÁO DỤC – ĐÀO TẠO HÀ NỘI

TRƯỜNG THPT CHUYÊN NGUYỄN HUỆ

Mã đề thi 130
***********

KÌ THI THỬ QUỐC GIA LẦN THỨ 4 NĂM 2014 - 2015
MÔN VẬT LÝ
Thời gian làm bài: 90 phút;
(50 câu trắc nghiệm)
**************

Cho biết hằng số Plăng h = 6,625.10
-34
J.s; độ lớn điện tích nguyên tố e = 1,6.10
-19
C; Tốc độ ánh sáng
trong chân không c = 3.10
8
m/s, 1u = 931,5 (MeV/c
2
), số Avôgađrô N
A
=6,022.10
23
hạt/mol.




D.
5cos( )
2
x t cm




Câu 3: 
                  

A.  B. 
C.  D. 
Câu 4: 

m là
A. 1,875 mm. B. 1,25 mm. C. 3,75 mm. D. 2,5 mm.
Câu 5: không đúng :
A. 
B.  
C. 
D. 
Câu 6:  

A.
h
m.

 Trường THPT Chuyên Nguyễn Huệ - Hà Nội Trang 2/6 -  130

A. 6031 s. B. 3016 s. C. 3015 s. D. 3022 s.
Câu 9: 

1
và 4.f
1


1


A. 0,80;

B. 0,53;

C. 0,96;

D. 0,47;

Câu 10: 
A. 
B. 
C. 
D. 
Câu 11: 

; D.
12
2  

Câu 13: 


A.
1
2
B. 2. C. 3. D.
1
3

Câu 14:
60
27
Co




A. 5,51.10
13
Bq B. 2,76.10
13
Bq C. 2,21.10
14
Bq D. 6,381.10
8

f
Z
L
f
Z
L
f
Z
C
f
Z
C
H.1
H.2
H.3
H.4 Trường THPT Chuyên Nguyễn Huệ - Hà Nội Trang 3/6 -  130

Câu 18: rình u=10cos2?
                      
=(2k+1)
A. 8cm B. 20cm C. 16mm D. 1,6dm
Câu 19: 

A. 
B.  
C. 
D. 

B. 
C. 

D. 
Câu 22: 
u = U 2.cosωt(V)
,

0


A. 150; B. 160; C. 100; D. 200;
Câu 23: -âng. Khe S 

1
= 0,42 m; 
2
= 0,56 m; 
3
= 0,70 

A. 35. B. 44. C. 26. D. 10.
Câu 24:                    

1
= 5cos10t và
2
π
x =10sin(10t+ )
2

? 
2
= 10.
A. 200Hz. B. 25Hz. C. 100Hz. D. 50Hz.
Câu 26: 



4π
t = (s)
3


F

Trường THPT Chuyên Nguyễn Huệ - Hà Nội Trang 4/6 -  130

A.




A. 6.10

C B. 0,8.nC C. 8.10

C D. 4.10

C
Câu 29: 
0
ππ
u = 4cos t- (cm)
22



.

A. 2cm B. 3cm C. -3cm D. -2cm
Câu 30: 

4
T


2

A. 1,2 kg B. 1,0 kg C. 0,8 kg D. 0,5 kg

0




A. 1,416
0
. B. 0,336
0
. C. 0,168
0
. D. 13,312
0
.
Câu 34:    
 


A. 0,5346 m. B. 0,1027 m. C. 0,6576m. D. 0,4871 m. Trường THPT Chuyên Nguyễn Huệ - Hà Nội Trang 5/6 -  130

Câu 35:      


2,52 
A. 2,61 s. B. 2,84 s. C. 2,78 s. D. 2,96 s.
Câu 36: 


Câu 39: 

A. 
B. 
C. 
D. 
Câu 40: 
 
U
AK
=-
A.  B.  C.  D. 
Câu 41: 



ra :
A. 
B. 
C. 

D. 
Câu 42: 
3 2 4
2 1 2
He D He p  

1
= 18,4 MeV



A.  B. 0T. C. lên, 0,120T. D. lên, 0,060T.
Câu 44: 





 , 
















 : u = 100sin(100t + /2) (V)  = 100cos(100t + /3) (mA). Cô





Câu 48: 

75 6( )V

25 6( )V

A.
75 6( )V
; B.
150 2( )V
; C. 150 (V); D.
75 3( )V
;
Câu 49: 


A. 5. B. 15. C. 7. D. 3.
Câu 50: -


A.  B.  C.  D. 2 vân sáng và 1
  ĐÁP ÁN
1
C

14
A
24
C
34
B
44
A
5
B
15
C
25
B
35
C
45
A
6
A
16
A
26
B
36
C
46
C
7
D

20
A
30
B
40
B
50
A