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Question

Several spherical drops of a liquid of radius r coalesce to form a single drop of radius R. If T is surface tension and V is volume under consideration, then the release of energy is

Options :

  1. 3VT(1/r + 1/R)

  2. 3VT(1/r - 1/R)

  3. VT(1/r - 1/R)

  4. VT(1/r² + 1/R²)

Show Answer

Answer :

3VT(1/r - 1/R)

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