Questions
Assuming the sun to have a spherical outer surface of radius r, radiating like a black body at temperature t° C, the power received by a unit surface, (normal to the incident rays) at a distance R from the centre of the sun is:
detailed solution
Correct option is D
Total radiant power =σ(4πRsun2)Tsun44πd2=σr2(t+273)4R2Talk to our academic expert!
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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