Download the app

Questions  

A solid sphere is rotating freely about its symmetry axis in free space. The radius of the sphere is increased keeping its mass same. Which of the following physical quantities would remain constant for the sphere?

Remember concepts with our Masterclasses.

80k Users
60 mins Expert Faculty Ask Questions
a
Angular velocity
b
Moment of inertia
c
Rotational kinetic energy
d
Angular momentum

Ready to Test Your Skills?

Check Your Performance Today with our Free Mock Tests used by Toppers!

detailed solution

Correct option is D

As there is no external torque acting on a sphere, i.e.,τex=0 So, dLdt=τex=0 i.e., L= constant So angular momentum remains constant.

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?

ctaimg

Create Your Own Test
Your Topic, Your Difficulty, Your Pace


Similar Questions

A disc rotates freely with rotational kinetic energy E about a normal axis through centre. A  ring having the same radius but double the mass  of disc is now, gently placed on the disc. The  new rotational kinetic energy of the system  would be
 


whats app icon
phone icon