An electric bulb of volume 250cc was sealed during manufacturing at a pressure of `10^(-3
Channel: Doubtnut
Date: 2020-07-12

An electric bulb of volume 250cc was sealed during manufacturing at a pressure of `10^(-3)`mm of mercury at `27^(@)`C. Compute the number of air molecules contained in the bulb.Avogadro constant `=6xx10^(23)mol^(-1),` density of mercury`=13600kgm^(-3)and g=10ms^(-2)`.