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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A cylinder of mass , length and radius has moment of inertia about an axis passing through its centre, perpendicular to its own axis, minimum when the ratio is equal to

Answer: (C)

Solution

. As a radius of gyration expression for a FIXED VOLUME (not fixed alone, since changing or

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Question ID VK-158830