Energy needed to break a drop of radius R into n droplets: formula

1. A.
   $4\pi R^2\left(n^{2/3}-1\right)T$
2. B.
   $4\pi R^2\left(n^{1/3}-1\right)T$
3. C.
   $4\pi R^2\left(1-n^{1/3}\right)t$
4. D.
   $4\pi R^2\left(1-n^{2/3}\right)T$

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1. A.
   $\ 4\pi{TR}^{2}\left\lbrack \frac{R}{r} + 1 \right\rbrack$
2. B.
   $\ 4\pi{TR}^{2}\left\lbrack \frac{R}{r} - 1 \right\rbrack$
3. C.
   $\ 4\pi{TR}^{2}\left\lbrack \frac{r}{R} + 1 \right\rbrack$
4. D.
   $\ 4\pi{Tr}^{2}\left\lbrack \frac{R}{r} - 1 \right\rbrack$

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1. A.
   $4\pi TR^2\left[\dfrac{R}{r} - 1\right]$
2. B.
   $4\pi TR\left[\dfrac{R}{r} - 1\right]$
3. C.
   $4\pi T\left[\dfrac{R^2}{r^2} - 1\right]$
4. D.
   $4\pi T\left[1 + \dfrac{R^3}{r}\right]$

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