A black body at temperature `227^(@)C` radiates heat at the rate of 5 cal/`cm^(2)`, at a temperature of `27^(@)C`, the rate of heat radiated per unit area per unit time in cal/`cm^(2)`s, is

A black body at a temperature of 227 ^@C radiates heat at a rate of 5 cal//cm^2s . At a temperature of 727 ^@C , the rate of heat radiated per unit area will be

A black body at a temperature of 227^(@)C radiates heat energy at the rate of 5 cal/ cm^(2) -sec. At a temperature of 727^(@)C , the rate of heat radiated per unit area in cal/ cm^(2) -sec will be

A black body at a temperature of 227^(@)C radiates heat energy at the rate of 5 cal/cm-sec. At a temperature of 727^(@)C , the rate of heat radiated per unit area in cal/cm will be

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 unit will be

A black body at ' 227^@ ' C radiates heat at the rate of ' 10 cal/cm^2s. At a temperature of '727^@' C the rate of heat radiated in same units will be

A black body at 227^(@)C radiates heat at the rate of 7 cal cm^(-2) s^(-1) . At a temperature of 727^(@)C , the rate of heat radiated in the same unit will be

A black body at 227^(@)C radiates heat at the rate of 7 cal cm^(-2) s^(-1) . At a temperature of 727^(@)C , the rate of heat radiated in the same unit will be