A drop of water volume `0.05 cm^(3)` is pressed between two glass -paltes, as a consequence of
Channel: Doubtnut
Date: 26/01/2020

A drop of water volume `0.05 cm^(3)` is pressed between two glass -paltes, as a consequence of which, it spreads and occupies an area of `40 cm^(2)`. If the surface tension of water is `70 dyn e//cm`, find the normal force requried to separte out the two glass plates in newton.