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प्रश्न
Define the surface energy of the liquid.
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उत्तर
The potential energy is greater for molecules at the surface film as compared to molecules well inside the liquid. This extra energy of the molecule on the surface layer of a liquid is called the surface energy of the liquid.
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संबंधित प्रश्न
Derive the relation between surface tension and surface energy per unit area.
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Energy needed in breaking a drop of radius R into n drops each of radius r is given by ____________.
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Reason: Work done = Surface tension x increase in area.
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g = acceleration due to gravity
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Prove that, equivalent S.I. unit of surface tension is J/m2.
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