The potential energy per unit change in area of the liquid surface , is

Surface energy per unit area of liquid surface is called……………

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

What is the escape velocity of the object, if.the magnitude of the potential energy per unit mass of the object at the surface of earth is E ?

Potential energy per unit volume of a stretched wire is

The tangential forces per unit area of the liquid layer required to maintain unit velocity gradient is known as

The magnitude of potential energy per unit mass of the object at the surface of earth is E . Then escape velocity of the object is

The magnitude of potential energy per unit mass of the object at the surface of earth is E . Then escape velocity of the object is