MHT CET Physics question

PhysicsMechanical Properties of FluidsMHT CET

8 identical small drops of water are falling down vertically through a medium, each with terminal velocity 'V'. If they combine to form a single drop, then its terminal velocity will be [MHT-CET 2020]

Answer: (A)

Solution

and , so the terminal velocity becomes ;

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Question ID VK-062309