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JEE Main2014PhysicsMechanical Properties of FluidsActual

Two soap bubbles coalesce to form a single bubble. If V is the subsequent change in volume of contained air and S change in total surface area, T is the surface tension and P atmospheric pressure, then which of the following relation is correct?

Options

  1. A4 PV +3 ST =0
  2. B3 PV +4 ST =0
  3. C2 PV +3 ST =0
  4. D3 PV +2 ST =0

Correct answer

B. 3 PV +4 ST =0

Step-by-step solution

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