Physics MCQs with Answers

This is Physics MCQs section with detailed explanations for preparation of screening tests, interviews for government jobs. In this section candidate will learn MCQs on variety of topics from the subject.

1. 31 What is the shape of velocity, time graph for constant acceleration
   

   1. straight inclined line.

   2. parabola

   3. inclined curve

   4. declined curve

   See Answer

   Added By: Ak Aamir

   Answer

   : straight inclined line.

   Explanation

   :
   N/A

2. 32 Which shows the correct relation between time of flight T and maximum height H
   

   1. H=gT2/8

   2. H=8T2/g

   3. H=8g/T2

   4. H=gT2

   See Answer

   Added By: Ak Aamir

   Answer

   : H=gT2/8

   Explanation

   :
   N/A

3. 33 Taking off rocket can be explained by __________________
   

   1. 1st law of motion

   2. 2nd law of motion

   3. Law of conservation of momentum

   4. law of conservation of energy

   See Answer

   Added By: Ak Aamir

   Answer

   : Law of conservation of momentum

   Explanation

   :
   N/A

4. 34 What is the angle of projection for which the range and maximum height become equal
   

   1. tan-1

   2. tan-1 4

   3. tan-1

   4. tan-1 2

   See Answer

   Added By: Ak Aamir

   Answer

   : tan-1 4

   Explanation

   :
   N/A

5. 35 Distance covered by a freely falling body in 2 seconds will be__________________
   

   1. 4.9 m

   2. 19.6 m

   3. 39.2 m

   4. 44.1 m

   See Answer

   Added By: Ak Aamir

   Answer

   : 19.6 m

   Explanation

   :
   N/A

6. 36 Flight of a rocket in the space is an example of______________________
   

   1. second law of motion

   2. third law of motion

   3. first law of motion

   4. law of gravitation

   See Answer

   Added By: Ak Aamir

   Answer

   : third law of motion

   Explanation

   :
   N/A

7. 37 At which angle the range of the projectile is maximum____________________
   

   1. 45

   2. 60

   3. 30

   4. none

   See Answer

   Added By: Ak Aamir

   Answer

   : 45

   Explanation

   :
   N/A

8. 38 Time rate of change of momentum is equal to____________________
   

   1. force

   2. impulse

   3. velocity

   4. both A and C

   See Answer

   Added By: Ak Aamir

   Answer

   : force

   Explanation

   :
   N/A

9. 39 Why Ballistic missile fails in some circumstances of precision
   

   1. due to their shape

   2. due to air resistance

   3. due to angle of projection

   4. all of these

   See Answer

   Added By: Ak Aamir

   Answer

   : due to air resistance

   Explanation

   :
   N/A

10. 40 A body is moving with uniform velocity. Its______________________
    

    1. speed changes

    2. acceleration changes

    3. direction of motion changes

    4. displacement from origin changes

    See Answer

    Added By: Ak Aamir

    Answer

    : displacement from origin changes

    Explanation

    :
    N/A