The surface tension of a liquid is `5Nm^-1`. If a thin film formed on a loop of area `0.02m^-2` then its surface energy will be

The surface tension of a liquid is 0.5 N/m. if a liquid film is formed on a ring of area 0.02m^2 then its surface energy will be

The surface tension of a liquid is 0.5 N/m . If a liquid film is formed on a ring of area 0.02 m^(2) then its surface energy will be

The surface tension of liquid is 5 N//m . If a thin film of area 0.04 m^2 is formed on a loop, then its surface energy will be

The surface tension of liquid is 4N//m . If a thin film of area 0.02 m^2 is formed on a loop, then its surface energy will be