A) \[\frac{2S}{R}\]
B) \[\frac{2R}{S}\]
C) \[\frac{2S}{{{R}^{2}}}\]
D) \[\frac{2{{R}^{2}}}{S}\]
Correct Answer: A
Solution :
Excess pressure inside a bubble of radius R \[=\frac{2S}{R}\]where S is the surface tension of the liquid.
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