Energy needed in breaking a liquid drop of radius $R$ into $n$ smaller drops,each of radius $r$,is [where $T$ is the surface tension of the liquid].
- A$(4 \pi r^2 n - 4 \pi R^2) T$
- B$(\frac{4}{3} \pi r^3 n - \frac{4}{3} \pi R^3) T$
- C$(4 \pi R^2 - 4 \pi r^2) n T$
- D$(4 \pi R^2 - n 4 \pi r^2) / T$
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