MHT CET Physics question

PhysicsMechanical Properties of FluidsMHT CET

Under isothermal conditions, two soap bubbles of radii 'r' and 'r' combine to form a single soap bubble of radius 'R'. The surface tension of soap solution is (P = outside pressure) [MHT-CET 2019]

Answer: (A)

Solution

Isothermal: , giving $T =

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Question ID VK-062331