One solid sphere A and another hollow sphere B are of same mass and same outer radii. Their moment of inertia about their diameters are respectively IA and IB such that

Q: One solid sphere A and another hollow sphere B are of same mass and same outer radii. Their moment of inertia about their diameters are respectively IA and IB such that

(a) IA = IB

(b) IA > IB

(c) IA < IB

(d) IA/ IB = dA / dB

Ans: (c)