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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

From a uniform circular thin disc of mass 9M and radius R, a small disc of radius is removed. The centre of the small disc is at a distance from the centre of original disc. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through the centre of the disc of radius R is [MHT-CET 2021, MHT-CET 2021]

Answer: (B)

Solution

Removed mass is ; and

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Question ID VK-040975