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MHT CET Physics question

PhysicsMechanical Properties of FluidsMHT CET

A body of density ρ is dropped from (at rest) height 'h' into a lake of density 'δ' (δ > ρ). The maximum depth to which the body sinks before returning to float on the surface is [Neglect all dissipative forces] [MHT-CET 2021]

Answer: (D)

Solution

Speed on entering water: ; inside water the net upward force per unit volume is , so the retardation is

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Question ID VK-062267