A thermocal box has a total wall area ( including the lid ) of 1.0 `m^2` and well thickness of 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 of ice that melts in one day is
[ Use `K _("themocal " ) = 0.03` W/mk ,
`L _(" Fusion ( ice)")`=`3.00xx 10 ^5 j // KG ]`

Options

A. 1 kg
B. 2.88 kg
C. 25.92 kg
D. 8.64 kg

Answer

D