Define surface energy. Find the relation between surface energy and surface tension.

Define surface tension.

Define surface viscosity.

Find the ratio of the total surface area and lateral surface area of a cube.

The time of oscillation of t of a small drop of a liquid under surface tension depends upon the density d, the radius r and the surface tensions s. Prove dimensionally that t infty sqrt(dr^3//s)

What is surface tension? What is the effect of temperature on surface tension ?

Give molecular theory to explain surface tension.