The energy of the free surface of a liquid drop is `5 pi` times the surface tension of the liquid. Find the diameter of the drop in C.G.S system.

The total energy of the free surface of a liquid drop is 2 pi times the surface tension of the liquid. What is the diameter of the drop ?

Surface tension of a liquid is numerically equal to

Internal pressure inside a liquid drop of radius r and surface tension T is

At critical temperature, the surface tension of a liquid is......

Explain the effect of presence of impurities on the surface tension of liquid.

The value of surface tension of a liquid at critical temperature

The potential energy of molecule on the surface of a liquid as compared to in side the liquid is

The surface energy of soap liquid film on a ring of area 0.15m^2 is (Surface tension of liquid = 5 N//m)

Explain in brief the surface tension property observed in liquid at rest.

Let T_1 be surface tension between solid and air , T_2 be the surface tension between solid and liquid and T be the surface tension between liquid and air . Then in equilibrium, for a drop of liquid on a clean glass plate. The relation is ( theta is angle of contact )