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A slab of stone area 3600 cm^(2) and thi...

A slab of stone area `3600 cm^(2)` and thickness `10cm` is exposed on the lower surface to steam at `100^(@)C` A block of ice at `0^(@)C` rest on upper surface of the slab. In one hour `4.8kg` of ice is melted. The thermal conductivity of the stone in `Js^(-1)m^(-1)k^(-1)` is (latent heat of ice `=3.36 xx 10^(5) J//Kg` .

A

`12.0`

B

`10.5`

C

`1.02`

D

`1.24`

Text Solution

Verified by Experts

The correct Answer is:
D
`(mL)/(t)=(KADeltatheta)/(X)`
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