1.

A black body at 227 ∘C radiates heat at the rate of 7 cal/cm2s. At a temperature of 727 ∘C, the rate of heat radiated in the same unit will be -

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A black body at 227 C radiates heat at the rate of 7 cal/cm2s. At a temperature of 727 C, the rate of heat radiated in the same unit will be -



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