Question

A long cylinderical glass vessel has a small hole of radius r at its bottom. The depth to which the vessel can be lowered vertically in a deep water (surface tension S) without any water entering inside is
A. `4T//rhorg`
B. `3T//rhorg`
C. `2T//rho rg`
D. `T//rho r g`

Answer 1

Correct Answer - C
`h=(2T)/(r)rArrh=(2T)/(r rhog)`