A solid cylinder has mass M, length L and radius R. The moment of inertia of the cylinder about a generator is

Q: A solid cylinder has mass M , length L and radius R. The moment of inertia of the cylinder about a generator is

(a) $ M (\frac{L^2}{12} + \frac{R^2}{4}) $

(b) $ \frac{M L^2}{4} $

(c) $ \frac{ M R^2}{2} $

(d) $ \frac{3}{2} M R^2 $

Ans: (a)