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MHT CET Physics question

PhysicsMechanical Properties of FluidsMHT CET

A large number of liquid drops each of radius coalesce to form a big drop of radius . The energy released in the process in converted into kinetic energy of the big drop. The speed of the big drop is ( = surface tension of liquid, = density of liquid) [MHT-CET 2023]

Answer: (B),(C)

Solution

Energy released , so

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Question ID VK-062175