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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

If the moment of inertia of a disc about an axis tangential and parallel to its surface is , then what will be the moment of inertia about an axis tangential but perpendicular to the surface?

Answer: (A)

Solution

Tangent parallel to the disc's face (i.e. tangent to a diameter): .

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Question ID VK-158789