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Mechanical Properties of Fluids
Surface Tension – Excess Pressure in a Bubble
1 question from 1 paper, each with its answer.
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- of Mechanical Properties of Fluids
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Concepts tested
- pressure inside an expanding bubble
All Questions
2022 1 question
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If a soap bubble expands, the pressure inside the bubble :Pressure inside a soap bubble: $P = P_0 + \frac{4T}{R}$ When the bubble expands, R increases, so the excess pressure $\frac{4T}{R}$ decreases. So the pressure inside the bubble decreases.