This Video contains solution of the following MCQs.
1. Earthquake waves are the example of:
*audio waves * infrasonic waves
* Ultrasonic waves * shock waves
2. The wave theory cannot explain:
*polarization * photo electric effect
* interference * diffraction
3. The magnifying power of a lens of focal length 25 cm is:
*1/2 * 1 * zero * 2
4. Light year is the unit of:
*time *distance *velocity *luminous intensity
5. A one kilogram stone, falling freely from a height of 10 meter, strikes the ground with a velocity of:
*14 m/s *10 m/s *98 m/s *19.6 m/s
6. When the angular velocity of a disk increases, angular acceleration and angular velocity are:
*parallel *non parallel *perpendicular *none of these
7. If the speed of moving body is halved, its kinetic energy becomes:
*one fourth *half *three times *four times
8. Electromagnetic waves consist of oscillating electric and magnetic fields, both are:
*parallel to each other *perpendicular to each other
*non parallel to each other *none of these
9. This is compression waves:
*light waves *x rays *sound waves *radio waves
10. If two tuning forks of frequencies 256 Hz and 260 Hz are sounded together, the number of beats per second will be:
*3 *4 *5 *6
11. If A .B =0, A ×B =0 and A≠0 then B is:
*equal to A * Zero *Perpendicular to A *Anti-parallel to A
12. The rate of change of angular momentum with respect to time is:
*force * angular velocity
*angular acceleration *torque
13. Two forces of equal magnitude but opposite in direction and not acting on the same line constitute:
*a couple * power
*a circle *a force
14. The acceleration of body moving down a frictionless plane inclines at 300 will be:
*4.9 m/s2 * 9.8 m/s2
*98 m/s2 *10 m/s2
15. The work done by a conservative force along a closed path is:
*positive * negative
*zero *none of these
16. The dimensions of 'G' are
*ML-1T *ML-2T3 *M-1L3T-2 *ML2T-2
17. If one moves up from the surface of earth to a distance equal to the radius of the earth the value of acceleration due to gravity will be:
*1/2 g *1/4 g *2 g *4 g
1. Earthquake waves are the example of:
*audio waves * infrasonic waves
* Ultrasonic waves * shock waves
2. The wave theory cannot explain:
*polarization * photo electric effect
* interference * diffraction
3. The magnifying power of a lens of focal length 25 cm is:
*1/2 * 1 * zero * 2
4. Light year is the unit of:
*time *distance *velocity *luminous intensity
5. A one kilogram stone, falling freely from a height of 10 meter, strikes the ground with a velocity of:
*14 m/s *10 m/s *98 m/s *19.6 m/s
6. When the angular velocity of a disk increases, angular acceleration and angular velocity are:
*parallel *non parallel *perpendicular *none of these
7. If the speed of moving body is halved, its kinetic energy becomes:
*one fourth *half *three times *four times
8. Electromagnetic waves consist of oscillating electric and magnetic fields, both are:
*parallel to each other *perpendicular to each other
*non parallel to each other *none of these
9. This is compression waves:
*light waves *x rays *sound waves *radio waves
10. If two tuning forks of frequencies 256 Hz and 260 Hz are sounded together, the number of beats per second will be:
*3 *4 *5 *6
11. If A .B =0, A ×B =0 and A≠0 then B is:
*equal to A * Zero *Perpendicular to A *Anti-parallel to A
12. The rate of change of angular momentum with respect to time is:
*force * angular velocity
*angular acceleration *torque
13. Two forces of equal magnitude but opposite in direction and not acting on the same line constitute:
*a couple * power
*a circle *a force
14. The acceleration of body moving down a frictionless plane inclines at 300 will be:
*4.9 m/s2 * 9.8 m/s2
*98 m/s2 *10 m/s2
15. The work done by a conservative force along a closed path is:
*positive * negative
*zero *none of these
16. The dimensions of 'G' are
*ML-1T *ML-2T3 *M-1L3T-2 *ML2T-2
17. If one moves up from the surface of earth to a distance equal to the radius of the earth the value of acceleration due to gravity will be:
*1/2 g *1/4 g *2 g *4 g
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