Kinetic Theory of an Ideal Gas – Average Kinetic Energy

2020 1 question

1. 1 Kinetic Theory Easy
   The average thermal energy for a mono-atomic gas is: ($k_B$ is Boltzmann constant and $T$, absolute temperature)
   A $\frac{3}{2}k_BT$ B $\frac{5}{2}k_BT$ C $\frac{7}{2}k_BT$ D $\frac{1}{2}k_BT$
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