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(A) In the absence of external forces like gravity,the only force acting on the surface of a liquid drop is surface tension.Surface tension acts to mi

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Surface tension of the liquid

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(A) In the absence of external forces like gravity,the only force acting on the surface of a liquid drop is surface tension.Surface tension acts to minimize the surface area of the liquid for a given volume.For a fixed volume,a sphere has the minimum surface area.Therefore,the liquid drop takes a spherical shape due to surface tension.

When there is no external force,the shape of a liquid drop is determined by

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