42. Two discs of the same material and thickness have radii 0.2 m and 0.6 m. Their moments of inertia about their axes will be in the ratio – Flame Institute Chandigarh Mohali

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Physics

42. Two discs of the same material and thickness have radii 0.2 m and 0.6 m. Their moments of inertia about their axes will be in the ratio

(a) 1 : 81 (b) 1 : 27 (c) 1 : 9 (d) 1 : 3 Ans. a

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