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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

The moment of inertia of a thin uniform rod about a perpendicular axis passing through one of its ends is 'I'. Now, the rod is bent in a ring and its moment of inertia about diameter is ''. Then is [MHT-CET 2020, MHT-CET 2020]

Answer: (A)

Solution

; ring radius gives ,

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Question ID VK-040982