1.
A barometer is constructed using a liquid (density =760 kg m−3= 760\,\text{kg}\,\text{m}^{-3}). What would be the height of the liquid column, when a mercury barometer reads 76 cm76\,\text{cm}? (density of mercury =13600 kg m−3= 13600\,\text{kg}\,\text{m}^{-3})