1.

Which of the following property of water can be used to explain the sperical shape of rain droplets ?

Answer»

Viscosity
SURFACE TENSION
Criticasl phenomena
Pressure

Solution :The spherical shape of rain DROPLETS is due to surface tension. Lowest energy state of a liquid will be when the surface AREA is minimum. Surface tension tries to LOWER the surface area of a liquid to the minimum. Shape of a rain droplets is spherical because for a given volume, a sphere has minimum surface area.


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