Q. The moment of inertia of a circular ring of radius $r$ and mass $M$ about diameter is
A) ${Mr}^{2}$
B) $\frac{1}{2}{Mr}^{2}$
C) $\frac{3}{2}\ {Mr}^{2}$
D) $\frac{1}{4}\ {Mr}^{2}$
Explanation
(b) Moment of inertia of a circular ring about a diameter
$I = \frac{1}{2}\ Mr^{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.