The density of air at `0^@C` and one atmospheric pressure is `1.3 gm//litre` if the pressure be doubled at the same temperature, the density of air will be :

Options

A. `2.6 gm//litre`
B. `5.2 gm//litre`
C. `1.3 gm//litre`
D. `0.65 gm//litre`

Answer

A