1.

A spherical liquid drop of diameter D breaks up to n identical spherical drops. If the surface tension of the liquid is sigma , the change in energy in this process is :

Answer»

`PI SIGMA D^2( N^(1//3)-1)`
`pi sigma D^2( n^(2//3) -1)`
`pi sigma D^2( n-1)`
`pi sigma D^2( n^(4//3) -1)`

ANSWER :A


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