XI Physics| Past Paper MCQs |2016

This Video contains solution of the following MCQs.
 1.The dimensions of G are:
M-1L3T-2
M2L2T-2
M-1L2T-2
MLT-2

2.If velocity of a body is decreasing, the direction of acceleration is:
in the direction of velocity
opposite to the direction of velocity
perpendicular to the direction of velocity
60o to the direction of velocity

3.The rate of change of angular momentum is also known as:
Linear momentum
Torque
Force
Energy

4.At a distance, equal to twice of the radius of the earth above the surface of the earth, the value of gravitational acceleration will be:
one half
one fourth
Four timers
one ninth

5.The range of audible sound is:
1 Hz – 10 Hz
20Hz – 20000Hz
21000Hz – 24000Hz
25000Hz – 50000Hz

6.The conditions of interference in thin film are reversed due to:
Diffraction
Phase coherence
Refraction
Phase reversal

7.The magnifying power of a lens of focal length 1/2m is:
1 dioptre
2 dioptres
50 dioptres
100 dioptres

8.This equation represents Bragg’ss Law:
mλ = 2d sinϴ
mλ = d sinϴ
2mλ = d sinϴ
2mλ = 3d sinϴ

9.The distance between the principal focus and the optical center is called:
Aperture
Focal length
Principal axis
Radius of curvature

10.If i, j and k are unit vectors then k. (i x j) is equal to:
zero
one
j
k

11.The angle between centripetal acceleration and tangential acceleration in circular motion is:
180o
0o
90o
45o

12.KitabulManazir was written by:
Ibn-Al Haitham
Al Razi
Abu-Rehan Al Beruni
Jabir bin Hayyan

13.One radian is equal to:
1o
75.3o
57.3o
0.017o

15.One kilo watt hour is equal to:
3.6 x 106 J
3.3 x 109 J
3.9 x 106 J
3.6 x 109 J

16.Two vibrating bodies, having slightly different frequencies, produce:
Echo
Beats
Resonance
Polarization

17.Kinetic friction is always:
greater than static friction
Equal to static friction
less than static friction
zero