1.

A 2 cm thick slab of commercial thermocole, 100" cm"^(2) in cross-section and having thermal conductivity 2xx10^(-4) cal sec^(-1)" cm"^(-1)(C^(0))^(-1) has insulating regions differing by 100^(0)C. The quantity of heat flowing through it in a day will be

Answer»

20.4 KCAL
43.2 kcal
86.4 kcal
63.6 kcal

ANSWER :C


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