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JEE PHYSICS MCQ: SYSTEM OF PARTICLES
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Two circular iron discs are of the same thickness. The diameter of A is twice that of B. The moment of inertia of A as compared to that of B is
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Correct option: D
16 times as large
Option D (16 times as large) is correct because the moment of inertia of a disc is proportional to the fourth power of its radius (or diameter).
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