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A certain number of spherical drops

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A certain number  of spherical drops of a liquid of radius r coalesce  to form a single  drop of radius  R  and volume V. IF  T is the surface tension of the liquid is

A ) energy =3vT (1/r-1/R) is relased

B) energy is neither released  nor absorbed

C) energy =4vT (1/r-1/R) is released

D) energy = 3vT (1/r+1/R) is absorbed
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1 Answer

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Correct option (A ) energy =3vT (1/r-1/R) is relased

Explanation:

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