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

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Question 1 of 10

Physics

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

π/12

4π

2π

π/6

Question 1 of 10

Question 2 of 10

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

Increase

Decrease

Become Zero

Remain unchanged

Question 2 of 10

Question 3 of 10

3. 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

Velocity is constant

None of these

It moves in a circular path

Question 3 of 10

Question 4 of 10

4. Linear acceleration a = rα when θ is

180°

360°

90°

0°

Question 4 of 10

Question 5 of 10

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

Both

Equal both

Solid sphere

Solid cylinder

Question 5 of 10

Question 6 of 10

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

2

5

4

3

Question 6 of 10

Question 7 of 10

7. What is moment of inertia of a sphere

MR²

½ M²R

½ MR²

2/5 MR²

Question 7 of 10

Question 8 of 10

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

Velocity

K.E

Angular momentum

Potential Energy

Question 8 of 10

Question 9 of 10

9. Artificial satellite moves around:

Sun

Stars

Earth

Moon

Question 9 of 10

Question 10 of 10

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

Variable acceleration

Variable speed and constant velocity

Constant retardation

Constant acceleration

Question 10 of 10

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