JEE Main & Advanced
Physics
Kinetic Theory of Gases
Question Bank
Mock Test - Kinetic Theory of Gases and Laws of Thermodynamics
question_answer
A spherical balloon of volume \[4.00\times {{10}^{3}}c{{m}^{3}}\] contains helium at a pressure of \[1.20\times {{10}^{5}}\] Pa. How many moles of helium are in the balloon if the average kinetic energy of the helium atoms is \[3.60\times {{10}^{-22}}\]J?