Q. A ring of mass $m$ and radius $r$ is melted and then moulded into a sphere. The moment of inertia of the sphere will be
A) More than that of the ring
B) Less than that of the ring
C) Equal to that of the ring
D) None of the above
Explanation
The correct answer is Option B: Less than that of the ring.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.