Q 11-12-109JEE MainJEE Main 2021 (22 Jul, Shift 1)Easy
What will be the average value of energy for a monoatomic gas in thermal equilibrium at temperature $T$?
Answer: (C) $\frac32k_BT$
A monoatomic molecule has 3 translational degrees of freedom, each with average energy $\frac12k_BT$: total $\frac32k_BT$.
Solution by Sreeraj P, M.Sc Physics