MCQ Kinematic Variables in Rotation, Class 11 Physics

1. There will be total 10 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. Which of the following is the unit of angular acceleration?

rad s

rad / s

rps

rad /s ²

Your comments:

Question 1 of 10

2. Which of the following statements give the relationship between linear velocity and angular velocity correctly?

ω = v/r

ω = vr

ω = r/v

none of the above

Your comments:

Question 2 of 10

3. The angular velocity of the second hand of a clock is :

A

B

C

D

Your comments:

Question 3 of 10

4. Vectorially, angular velocity of a rotating body is represented :

along the radius towards the centre.

along the radius away from the centre

along the axis of rotation

none of the above

Your comments:

Question 4 of 10

5. A man standing on a table rotating about the central axis pulls his hands holding the dumb bells towards chest. How the angular velocity will change?

increase

remains same

increase or decrease depending on the magnitude of angular velocity of the wheel.

decrease

Your comments:

Question 5 of 10

6. If angular velocity increases from to in time 2t then angular acceleration is

A

B

C

D

Your comments:

Question 6 of 10

7. A body is moving with a constant speed v in a circle of radius r. What is the angular acceleration?

α = vt/r

α = vr/t

α = v/rt

α = 0

Your comments:

Question 7 of 10

8. A uniformly accelerated wheel reaches the angular velocity ω = 20 rad / s in 10 revolutions after the rotation begins. Determine the angular acceleration of the wheel in rad / s².

20/π

10/π

40/π

1/π

Your comments:

Question 8 of 10

9. Four billiards balls, each of mass 0.5 kg, all are travelling in the same direction on a billiard table, with speeds of 2 m/s, 4 m/s, 8 m/s and 10 m/s. What is the linear momentum of this system?

10 kg-m/s

5 kg-m/s

12 kg-m/s

2 kg-m/s

Your comments:

Question 9 of 10

10. Which of the following relations is wrong?

A

B

C

D

Your comments:

Question 10 of 10

 Loading...