TS EAMCET 2017 Code A Solved Paper

A thermocol box has a total wall area (including the lid) of 1.0 m2 and wall thickness o f 3 cm. It is filled with ice at 0 °C. If the average temperature outside the box is 30°C throughout the day, the amount o f ice that melts in one day is
[use Kthermocol=0.03W/m K,Lfusion(ice)=3.00×105 J/Kg]