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

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Question 1 of 10

Physics

1. Artificial satellite moves around:

Sun

Stars

Moon

Earth

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. Linear acceleration a = rα when θ is

180°

360°

90°

0°

Question 3 of 10

Question 4 of 10

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

π/12

2π

4π

π/6

Question 4 of 10

Question 5 of 10

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

Variable acceleration

Constant acceleration

Variable speed and constant velocity

Constant retardation

Question 5 of 10

Question 6 of 10

6. What is moment of inertia of a sphere

2/5 MR²

½ M²R

½ MR²

MR²

Question 6 of 10

Question 7 of 10

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

5

2

4

3

Question 7 of 10

Question 8 of 10

8. 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

None of these

Velocity is constant

Question 8 of 10

Question 9 of 10

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

Angular momentum

Potential Energy

Velocity

K.E

Question 9 of 10

Question 10 of 10

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

Equal both

Solid sphere

Both

Solid cylinder

Question 10 of 10

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