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

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Question 1 of 10

Physics

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

2

4

3

5

Question 1 of 10

Question 2 of 10

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

Variable speed and constant velocity

Constant acceleration

Constant retardation

Variable acceleration

Question 2 of 10

Question 3 of 10

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

4π

2π

π/12

π/6

Question 3 of 10

Question 4 of 10

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

Velocity

Potential Energy

K.E

Angular momentum

Question 4 of 10

Question 5 of 10

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

Remain unchanged

Decrease

Increase

Become Zero

Question 5 of 10

Question 6 of 10

6. Linear acceleration a = rα when θ is

360°

0°

90°

180°

Question 6 of 10

Question 7 of 10

7. What is moment of inertia of a sphere

2/5 MR²

½ MR²

½ M²R

MR²

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

Velocity is constant

It moves in a circular path

None of these

Question 8 of 10

Question 9 of 10

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

Solid sphere

Both

Solid cylinder

Equal both

Question 9 of 10

Question 10 of 10

10. Artificial satellite moves around:

Earth

Moon

Sun

Stars

Question 10 of 10

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