Q. A disc is of mass $M$ and radius $r$. The moment of inertia of it about an axis tangential to its edge and in plane of the disc or parallel to its diameter is
A) $\frac{5}{4}Mr^{2}$
B) $\frac{Mr^{2}}{4}$
C) $\frac{3}{2}Mr^{2}$
D) $\frac{Mr^{2}}{2}$
Explanation
The correct answer is Option A: $\frac{5}{4}Mr^{2}$.
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.