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[" (c) "(dQ)/(dt)=KLA(T(1)-T(2))],[" 175...

[" (c) "(dQ)/(dt)=KLA(T_(1)-T_(2))],[" 175.A black body at "227^(@)C" radiates heat at the rate of cal "cm^(-2)s^(-1)" .At a temperature of "727^(@)C" ,the "],[" rate of heat radiated in the same units will be "],[[" (a) "60," (b) "50],[" (c) "112," (d) "80]]

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