JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

Of two eggs which have identical sizes, shapes and weights, one is raw and the other is half-boiled. The ratio between the moment of inertia of the raw egg to the half-boiled egg, about the central axis, is

Answer: (C)

Solution

In a raw (liquid-yolk) egg spun about its axis, the fluid interior lags behind and redistributes somewhat outward under spinning due to weaker internal coupling, effectively behaving with a slightly different (generally larger, in the classic "spin test" sense used to distinguish them) effective moment of inertia than

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Question ID VK-158734