The excess pressure inside a soap bubble is?
Wednesday, October 09, 2024
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Question: The excess pressure inside a soap bubble is?
The excess pressure inside a soap bubble is given by the formula:
$$ P = \frac{4\gamma}{r} $$
where:
- \( P \) is the excess pressure,
- \( \gamma \) is the surface tension of the soap solution,
- \( r \) is the radius of the bubble.
This formula accounts for the fact that a soap bubble has two surfaces (inner and outer), each contributing to the surface tension.
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