Drops of liquid tend to assume spherical shapes because

Options

A. a sphere has the least possible surface area
B. a sphere has only one orientation
C. a sphere is symmetrical in shape
D. a sphere is three-dimensional

Answer

A

Explanation

Molecules below the surface of a liquid are influenced by intermolecular attractions from all directions. Those on the surface are attracted only toward the interior , these attractions pull the surface layer toward the center. The most stable situation is one in which the surface area is minimal. For a given volume , a sphere has the least possible surface area, so the drops of liquid tend to assume spherical shapes. The small droplets of mercury lying on a grass surface are almost spherical , whereas the larger droplets are flattened due to the effects of gravity.