A) \[r\]
B) \[{{r}^{2}}\]
C) \[{{r}^{3}}\]
D) \[{{r}^{4}}\]
Correct Answer: B
Solution :
[b] Excess pressure, \[P=\frac{4T}{r}\] \[PV=\frac{4T}{r}\times \frac{4}{3}\pi .{{r}^{3}}=\frac{16T}{3}\pi .{{r}^{2}}\] \[PV\propto {{r}^{2}}\]You need to login to perform this action.
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