Which of the following expressions gives the average translational kinetic energy of…

PHYSICS · Single correct · CBSE · Physics · Kinetic Theory · Kinetic Theory

Problem

Which of the following expressions gives the average translational kinetic energy

K_{\text{avg}}

of a single atom in an ideal monatomic gas at absolute temperature

T

? (a)

k_B T

(b)

\dfrac{5}{2}k_B T

(c)

\dfrac{3}{2}k_B T

(d)

\dfrac{3}{2}RT