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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

Moment of inertia of a big liquid drop is . If 8 identical droplets are formed from the big drop, the moment of inertia of a small droplet (about a similarly oriented axis through its own centre) is

Answer: (A)

Solution

Volume conservation: . Mass of each droplet .

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Question ID VK-158483