When a mercury barometer is taken to a place at a height of 25 m above the sea level it shows a
Channel: Doubtnut
Date: 2020-08-23

When a mercury barometer is taken to a place at a height of 25 m above the sea level it shows a pressure difference of 2.5mm with respect to the pressure at the surface of the sea. If the relative density of mercury is 13.6, find the average density of air near sea level