KE per unit volume is E. The pressure exerted by the gas is given by

Options

A. 3/2 E
B. E
C. 2/3 E
D. `sqrt(3) E`

Answer

C

Explanation

`P=(1)/(3) rho C^(2)`
`=(1)/(3)(m)/(v)C^(2)`
`P=(2)/(3)xx(1)/(2)(mc^(2))/(v)`
`P=(2)/(3)E`.