At the top of a mountain, the thermometer reads `0^(@)C` and the barometer reads `700 mm Hg`.
Channel: Doubtnut
Date: 2020-03-29

At the top of a mountain, the thermometer reads `0^(@)C` and the barometer reads `700 mm Hg`. At the bottom of the mountain the thermometer reads `30^(@)C` and the pressure 760 mm Hg. Compare the density of the air at the top with that at the bottom