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71. The moment of inertia I of a solid sphere having fixed volume depends upon its volume V as

(a) I ∝ V

(b) I ∝ V^2/3

(c) I ∝ V^5/3

(d) I ∝ V^3/2

Ans. c

PrevPrevious70. Four solids are shown in cross section. The sections have equal heights and equal maximum widths. They have the same mass. The one which has the largest rotational inertia about a perpendicular through the centre of mass is

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