List of top Physics Questions on Surface Tension asked in MET

Energy needed in breaking a drop of radius $R$ into $n$ drops of radii $r$ is given by

Water rises in a capillary tube to a height \(h\). Choose false statement regarding capillary rise from the following.

In a photoemissive cell with exciting wavelength $λ$, the fastest electron has a speed $v$. If the exciting wavelength is changed to $\frac34λ$, then the speed of the fastest emitted electron will be

When a number of small droplets combines to form a large drop, then

Surface tension vanishes at