Asked by temi
a mercury column in a simple barometer at a height of 75.9cm. An amount of pure water is introduced into the barometer column and form a 1.20cm layer on top of mercury. The mercury column now stand at height of 78.08cm . what is the pressure in the space above water at a particular temperature.(density of mercury = 13600kg/m2, density of water =1000kg/m2)