A long capillary tube of radius 0 2 mm is placed vertically

Last updated: 6/10/2023

A long capillary tube of radius 0 2 mm is placed vertically inside a beaker of water Water rises to a hight of 7 05 cm in the tube making zero angle os contact Now if tube is pushed into water so that only 5 cm of its length is above the surface What is the new angle of contact in degrees between water and glass surface Take 2 1 41 surface tension of water 0 07 N m