Questions
A ball of surface temperature T is in thermal equilibrium with its environment . Which of the curve gives the energy E radiated by the sphere as a function of time 't'?
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Correct option is A
Temperature of body does not change. Hence energy radiated remains same.As energy emitted remains constant the graph plotted would be a straight line parallel to time axis.Similar Questions
For a black body at temperature 727°C, its radiating power is 60W and temperature of surrounding is 227° C. If temperature of black body is changed to 1227°C, then its
radiating power will be :
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