The excess pressure inside a cylindrical drop of liquid or a... | Physics | SolveeIt | Solveeit

Today, August 24

Question

The excess pressure inside a cylindrical drop of liquid or a cylindrical bubble of radius $r$ in a liquid of surface tension $T$ is

A

$\frac{T}{4R}$

B

$\frac{T}{R}$

C

$\frac{2T}{R}$

D

$\frac{4T}{R}$

Answer

$\frac{T}{R}$

Explanation

Solution

The excess pressure inside a cylindrical drop of liquid or a cylindrical bubble, $\Delta p=\frac{T}{R}$