Show that the surface energy per unit area of a liquid surface is numerically equal to its surface tension .

Define:Surface tension.

The dimension of surface tension is

Write the dimensions of surface tension .

What do you mean by the surface tension of a liquid?

Determine the surface energy of a liquid film formed on a ring of area 0.15 m^2 . The surface tension of the liquid =5N. m^-1 .

The surface energy of a liquid drop is u. If it is sprayed into 1000 equal droplets then what will be its surface energy?