A black body at 227°C radiates heat at the rate of 7cals/cm 2 sAt a temperature of 727°C - the rate of heatradiated in the same units will be: [2009]

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A black body at 227°C radiates heat at the rate of 7cals/cm 2 sAt a temperature of 727°C - the rate of heatradiated in the same units will be: [2009]






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