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MHT CET 2022 Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET 2022

The ratio of radius of gyration of a ring to that of a disc (Both circular) of same radius and mass, about a tangential axis perpendicular to the plane is

Answer: (A)

Solution

By the parallel axis theorem, for the ring , so . For the disc , so . Then $ = =

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Question ID VK-095875