Q. The rotational kinetic energy of a body is $E$ and its moment of inertia is $I$. The angular momentum is
A) $EI$
B) $2\sqrt{EI}$
C) $\sqrt{2EI}$
D) $E/I$
Explanation
(c) $E = \frac{L^{2}}{2I} \Rightarrow L = \sqrt{2EI}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.