Q. The radius of gyration of a thin uniform circular disc (of radius $R$) about an axis passing through its centre and lying in its plane is
A) $R$
B) $\frac{R}{\sqrt{2}}$
C) $\frac{R}{4}$
D) $\frac{R}{2}$
Explanation
The correct answer is Option D: $\frac{R}{2}$.
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.