One thousand small water drops of equal radii combine to form a big drop. The ratio of final surface energy to the total initial surface energy is

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Aicharya · Accepted Answer

$U_{1}=1000 	imes 4 \pi r_{1}^{2} 	imes T$ $\frac{r_{2}}{r_{1}}=(1000)^{1 / 3}=10$ $U_{2}=4 \pi r_{2}^{2} T$ $\frac{U_{2}}{U_{1}}=\frac{4 \pi r_{2}^{2} T}{1000 	imes 4 \pi r_{1}^{2} 	imes T}=\frac{100}{1000}=\frac{1}{10}$ *

One thousand small water drops of equal radii combine to form a big drop. The ratio of final surface energy…

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