A 10 cm long wire is placed horizontally on the surface of a liquid and is gently
Channel: Doubtnut
Date: 24/05/2020

A 10 cm long wire is placed horizontally on the surface of a liquid and is gently pulled up with a force of `2xx10^(-2)` N to keep the wire in equilibrium . The surface tension of the liquid in `Nm^(-1)` is