What is the difference in pressure between the top and botton of a vessel 76 cm deep at 27^(@)C when filled with (i) water (ii) mercury ? Density of water at 27^(@)C is 0.990 g 0.990" g" cm^(-3) and that of mercury is 13.60" g cm"^(-3).

What is the difference in pressure between the top and botton of a ves

1.	What is the difference in pressure between the top and botton of a vessel 76 cm deep at 27^(@)C when filled with (i) water (ii) mercury ? Density of water at 27^(@)C is 0.990 g 0.990" g" cm^(-3) and that of mercury is 13.60" g cm"^(-3).
Answer» Solution :PRESSURE `="height"XX"density"xx"G"` Case (i). Pressure difference`=76" cm" xx0.99" g"cm^(3)xx981" cm"//s^(2)` `=7.38xx10^(4)" dynes" cm^(-2)=0.73" atm" (1" atm"=1.013xx10^(6)" dynes "cm^(-2))` Case (ii). Pressure difference `=76 cmxx13.6" g"//cm^(3)xx981" cm"//s^(2)=1.013xx10^(6)" dynes" cm^(-2)=1" atm"`.