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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

Two solid spheres A and B having same mass and different radii rotate with kinetic energies E and E respectively. The M. I. about their axis of rotation are I and I respectively. If I and E = 100E, then the ratio of their angular momenta L to L is [MHT-CET 2007, MHT-CET 2007]

Answer: (D)

Solution

gives , so

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Question ID VK-041097