N' Droplets of Equal Size of Radius R Coalesce to Form a Bigger Drop of Radius R. the Energy Liberated is Equal to - Physics

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'n' droplets of equal size of radius r coalesce to form a bigger drop of radius R. The energy liberated is equal to...................

(T =Surface tension of water)

`(a) 4piR^2T[n^(1/3)-1]`

`(b) 4pir^2T[n^(1/3)-1]`

`(c) 4piR^2T[n^(2/3)-1]`

`(d)4 pir^2T[n^(2/3)-1]`

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Solution

(a) ` 4piR^2T[n^(1/3)-1]`

Concept: Surface Tension
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2012-2013 (March)

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