Which one of the following statement is correct?

Options

A. Surface energy is potential energy per unit length
B. Surface tension is work done per unit area
C. Surface tension is wmk done per unit length
D. Surface energy is work done per unit force

Answer

B

Explanation

Surface tension is the force applied per unit length or work done (or energy ) per unit area of a liquids surface. While surface energy is the amount of work done per unit area by the force.