A body radiates heat at the rate of 5 cal/`m^(2)-s` when its temperature is `227^(@)C`. The heat radiated by the body when its temperature is `727^(@)C` is

A body radiates heat at the rate of 4cal//m^(2)//s , when its temperature is 227^(@)C . What is the heat radiated by the same body when its temperature is 727^(@)C ?

A black body emit heat at the rate of 20 W , when its tempertaure is 227^(@)C Another black body emits heat at the rate of 15 W , when its temperature is 227^(@)C . Compare the area of the surface of the two bodies, if the surrounding is at NTP

A black body emit heat at the rate of 20 W , when its tempertaure is 227^(@)C Another black body emits heat at the rate of 15 W , when its temperature is 227^(@)C . Compare the area of the surface of the two bodies, if the surrounding is at NTP

A black body radiates 3 J/cm^2 s when its temperature is 127^@C .How much heat will be radiated /cm^2 s when its temperature is 527^@C ?

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 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 at a rate of 20 cal m^(-2)s^(-1) . When its temperature is raised to 727^@C , the heat radiated by it in cal M^(-2)s^(-1) will be closest to

A black body, at a temperature of 227^@C , radiates heat at a rate of 20 cal m^(-2)s^(-1) . When its temperature is raised to 727^@C , the heat radiated by it in cal M^(-2)s^(-1) will be closest to