Punjab 11th Class Physics Chapter 5 Rotational and Circular Motion Mcqs Test Online

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Question 1 of 10

Physics

1. What is moment of inertia of a sphere

MR²

½ MR²

½ M²R

2/5 MR²

Question 1 of 10

Question 2 of 10

2. Artificial satellite moves around:

Stars

Earth

Sun

Moon

Question 2 of 10

Question 3 of 10

3. If solid sphere and solid cylinder of mass and density rotate about their own axis, the moment of inertia will be greater for

Both

Solid sphere

Equal both

Solid cylinder

Question 3 of 10

Question 4 of 10

4. Which one is constant for a satellite in orbit?

Angular momentum

Velocity

K.E

Potential Energy

Question 4 of 10

Question 5 of 10

5. Minimum number of communication satellites required to cover the whole Earth is.

4

5

2

3

Question 5 of 10

Question 6 of 10

6. A particles is acted upon by a force of constant magnitude which is always perpendicular to the velocity of particle. The motion of the particle takes place in a horizontal plane. It follows

Linear momentum is constant

It moves in a circular path

Velocity is constant

None of these

Question 6 of 10

Question 7 of 10

7. Linear acceleration a = rα when θ is

90°

0°

360°

180°

Question 7 of 10

Question 8 of 10

8. A body moving in a circular path with constant speed has

Constant acceleration

Variable speed and constant velocity

Constant retardation

Variable acceleration

Question 8 of 10

Question 9 of 10

9. If the earth suddenly stops rotating the value of ‘g’ at equator would:

Decrease

Remain unchanged

Become Zero

Increase

Question 9 of 10

Question 10 of 10

10. The angular speed in radians/ hours for daily rotation of our earth is

π/6

4π

π/12

2π

Question 10 of 10

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