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The excess pressure inside an air bubble...

The excess pressure inside an air bubble of radius `r` just below the surface of water is `P_(1)`. The excess pressure inside a drop of the same radius just outside the surface is `P_(2)`. If `T` is surface tension then

A

`P_(1) = 2P_(2)`

B

`P_(1) = P_(2)`

C

`P_(2) = 2P_(1)`

D

`P_(2) = 0, P_(1) cancel(=)0`

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