Statement -1 : If a soap bubble is inflated slowly by pushing air inside, it's pressure increases. Statement -2 : For an isothermal process, pressure is inversely proportional to the volume.

Engineering

Physics

Degree of Freedom Internal Energy of Gas and Specific Heat Capacity of Gases

Thermodynamics

Surface Tension and Surface Energy

Question

Statement -1 : If a soap bubble is inflated slowly by pushing air inside, it's pressure increases.
Statement -2 : For an isothermal process, pressure is inversely proportional to the volume.

Statement-1 is true, statement-2 is true and statement-2 is correct explanation for statement-1.

Statement-1 is true, statement-2 is true and statement-2 is NOT the correct explanation for statement-1.

Statement-1 is false, statement-2 is true.

Statement-1 is true, statement-2 is false.

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$P_{i} = P_{0} + \frac{4 S}{R} R ↑, P ↓$