Question

A slab of stone of area 0.34m2 and thickness 10 cm is exposed on the lower face to steam at 100°C A block of ice at 0°C rests on the upper face of the slab. In
one hour, 3.6 kg of ice is melted. Assume that the heat loss from the sides is negligible. The latent heat of fusion of ice is 3.4 x 10^Jkg-1 What is the thermal
conductivity of the stone in units of Js-10-1
(A) 0.1
(B) 1.5
(C) 20
(D) 2.5​

Answer 1

Answer:

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