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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

The moment of inertia of a thin uniform rod rotating about the perpendicular axis passing through one end is I. The same rod is bent into a ring and its moment of inertia about the diameter is . The ratio is [MHTCET 2014]

Answer: (B)

Solution

; the ring has so and

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Question ID VK-040801