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Two identical soap bubbles, each of radi...

Two identical soap bubbles, each of radius .x., coalesce to form a bubble of radius .y., If P be the atmospheric pressure, and assuming that the process is isothermal, what is the surface tension of soap solution ?

Text Solution

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The correct Answer is:
`T=(P[2x^(3)-y^(3)])/(4(y^(2)-2x^(2)))`
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