If the diameter of a soap bubble is 10 mm and its surface tension is 0.04 Nm^-1 , find the excess pressure inside the bubble.
Consider an air bubble of radius 2 mm in a liquid at a depth of 5 cm below the free surface. The density of the liquid is 1000 kg//m ^(3) and the surface tension is 0.1N//m. Then, find the pressure inside the air bubble is greater than the pressure at the free surface of the liquid. (Take , h = 10 m //s^(2))
VGS PUBLICATION-BRILLIANT-TS MARCH- 2018-SECTION C