JEE Main & Advanced
Physics
Kinetic Theory of Gases
Question Bank
Numerical Value Type Questions - Kinetic Theory
question_answer
A narrow uniform glass tube 80 cm long and open at both ends is half immersed in mercury. Then, the top of the tube is closed and it is taken out of mercury. A column of mercury 22 cm long then remains in the tube. What is the atmospheric pressure (in cm of mercury)?