• Subject:

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• Topic:

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A slab of stone of area of 0.36 ${\mathrm{m}}^{2}$ and

thickness 0.1 m is exposed on the lower

surface to steam at $100°\mathrm{C}$. A block of ice

at $0°\mathrm{C}$ rests on the upper surface of the slab.

In one hour 4.8 kg of ice is melted. The thermal

conductivity of slab is

(Given latent heat of fusion of ice

=3.36x)

(a)         (b)

(c)         (d)

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