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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

Two discs having moment of inertia and are made from same material have same mass. Their thickness and radii are , and , respectively. The relation between moment of inertia of each disc about an axis passing through its centre and perpendicular to its plane and its thickness is [MHT-CET 2021, MHT-CET 2021]

Answer: (B)

Solution

Same material and same mass give = constant, so ; then ,

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Question ID VK-040935