By a surface of a liquid we mean

Mechanical waves on the surface of a liquid are

A : The apparent weight of a body floating on the surface of a liquid is zero. R : The net force on a body floating on the surface of a liquid is zero.

A : The apparent weight of a body floating on the surface of a liquid is zero. R : The net force on a body floating on the surface of a liquid is zero.

On the surface of the liquid in equilibrium , molecules of the liquid possess

Why free surface of liquid tend to contract their surface ?

The waves on the surface of liquid are