# General Science - Physics MCQs

Physics Objective (Multiple Choice) General Knowledge & General Science Questions & Answers for SSC-CGL, UPPSC, NDA, CDS and all one day examinations of India. These questions are part of GKToday’s 35000+ MCQs Bank Course in GKToday Android App

1. What is the range of masses involved in the study of Physics?

[A] 10-19 kg to 1038 kg
[B] 10-30 kg to 1055kg
[C] 10-30 kg to 1030kg
[D] 10-19 kg to 1055 kg

2. What is the force of attraction between any two bodies by virtue of their masses is called?

[A] Electromagnetic Force
[B] Gravitational Force
[C] Centripetal Force
[D] Nuclear Force

3. The Atomic clock is based on the periodic vibrations produced in the atom of which element?

[A] Hydrogen
[B] Rubidium
[C] Cesium
[D] Barium

4. What is the slope of the velocity-time graph when an object moves with constant negative acceleration, having positive initial velocity?

[A] 90°
[B] more than 90°
[C] less than 90°
[D] 0°

5. What is the relationship between Kinetic and limiting friction?

[A] Kinetic friction is slightly greater than limiting friction
[B] Kinetic friction is slightly less than limiting friction
[C] Kinetic friction is equal to limiting friction
[D] No relationship

6. Which of these is/are examples of conservation of linear momentum?

[A] Explosion of bomb
[B] Recoiling of a gun
[C] Fight of rockets and jet planes
[D] All of the above

7. Work done is defined as the dot product of which of the following vectors?

[A] Force and acceleration
[B] Force and area
[C] Force and instantaneous velocity
[D] Force and displacement

8. What happens to the velocity of a light body when it undergoes an elastic collision in one dimension with a very heavy body at rest?

[A] its velocity becomes twice
[B] it rebounds with twice of its own velocity
[C] it rebounds with its own velocity
[D] it stops and comes to rest

9. The acceleration due to gravity on any planet does not depend on which of the following?

[B] Mass of the planet
[C] Density of the planet
[D] Mass of the object