A rectangular tank of base dimension 50 cm xx 50 cm contains a liquid upto a height of Im. The specific heat capacity 's' and the density rho of the liquid varies with depth h below the free surface as s = (100 + 50h) J//kg-^(@)C and rho = (800 + 400h) kgm^(-3) where 'h' is in metre. Find the amount of heat lost, when the temperature of the liquid falls by 20^(@)C. Assume uniform temperature throughout the volume of the liquid.

A rectangular tank of base dimension 50 cm xx 50 cm contains a liquid

1.	A rectangular tank of base dimension 50 cm xx 50 cm contains a liquid upto a height of Im. The specific heat capacity 's' and the density rho of the liquid varies with depth h below the free surface as s = (100 + 50h) J//kg-^(@)C and rho = (800 + 400h) kgm^(-3) where 'h' is in metre. Find the amount of heat lost, when the temperature of the liquid falls by 20^(@)C. Assume uniform temperature throughout the volume of the liquid.
Answer» ANSWER :`6.33 XX 10^(5) J`