Get premium membership and access revision papers with marking schemes, video lessons and live classes.
The barometric height at sea level is 76 cm of mercury while that at a point on a highland is 74 cm of mercury. Determine the altitude of the point. (Take g as 10 N/kg, the density of mercury as 13600 kgcm-3 and density of air is 1.25 kgcm-3)