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MHT CET 2022 Physics question

PhysicsMechanical Properties of FluidsMHT CET 2022

A lead sphere of mass 'm' falls in a viscous liquid with terminal velocity 'V'. Another lead sphere of mass '8 m' will fall through the same liquid with terminal velocity

Answer: (D)

Solution

Terminal velocity of a sphere in a viscous liquid is , so for the same material and liquid. Mass . For mass : 8r^3$

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Question ID VK-094209