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A liquid drop of diameter D breaks upto ...

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

A

`piD^(2) sigma `

B

`2piD^(2)sigma`

C

`3piD^(2)sigma`

D

`4piD^(2) sigma`

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The correct Answer is:
B
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