The spherical shape of a rain-drop is due to

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(B) The correct option is $(B)$.Due to surface tension,the surface of a liquid tends to minimize its surface area for a given volume.Among all geometr

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Surface tension

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(B) The correct option is $(B)$.Due to surface tension,the surface of a liquid tends to minimize its surface area for a given volume.Among all geometric shapes,a sphere has the minimum surface area for a fixed volume.Therefore,to minimize the potential energy associated with the surface area,rain drops naturally acquire a spherical shape.

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