The kinetic energy of one mole gas at 300 K temperature , is E. at 400 K temperature kinetic energy is E' . The value of `E'//E` is

Options

A. 1.33
B. `sqrt(4/3)`
C. `(16)/9`
D. 2

Answer

A

Explanation

`E = 3/2 RT`
`rArr (E.)/(E) = (T.)/T = 400/300 = 4/3 = 1.33`