Liquid drops assume spherical shape because:

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Liquid drops assume spherical shape because:

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A sphere has a maximum surface area

A sphere has a minimum surface area

A sphere is symmetrical in shape

None of these

answer is B.

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Detailed Solution

Concept- Surface tension is defined as the tendency of liquid surfaces to contract to the minimum possible surface area.
The free surface of a liquid droplet tends to acquire a spherical shape because the droplet always tends to acquire the minimum surface area for the least surface tension. A drop of liquid tries to draw all the liquid on the surface inward, towards its centre. And for a given volume, the surface of the sphere is minimal.
Therefore, liquid drops assume spherical shape because a sphere has minimum surface area required for the minimum possible surface tension.
Hence, the correct option is 2.

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