The mean translational K.E. per unit volume E and the pressure P of a perfect gas are related as

Options

A. P = E/2 V
B. P = 2 E/3V
C. P = 3/2 EV
D. P = 3 E/2 V

Answer

B

Explanation

`P = (2//3) (1//V) xx (1//2) Mv^(-2) = (3//2) (1//V) xx E `
`P = 2 E//3V`