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MHT CET Physics question

PhysicsMechanical Properties of FluidsMHT CET

The work done in blowing a soap bubble of radius 'R' is 'W₁' at room temperature. Now the soap solution is heated. From the heated solution another soap bubble of radius '2R' is blown and the work done is 'W₂', Then [MHTCET 2023]

Answer: (B)

Solution

would give at constant T, but heating lowers T, so ; zero work or

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Question ID VK-062217