Mechanical Properties of Fluids

Question: A liquid drop of diameter $D$ breaks upto into $27$ small drops of equal size. If the surface tension of the liquid is $\sigma$, then change in surface energy is



1) $\pi {{D}^{2}}\sigma $
2) $2\pi {{D}^{2}}\sigma $
3) $3\pi {{D}^{2}}\sigma $
4) $4\pi {{D}^{2}}\sigma $
Solution: Explanation: No Explanation
Surface tension surface energy

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