Medium
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$p_2 = 0, p_1 \neq 0$
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