alleryStart learning →For a body that is not a perfect blackbody, the radiated power per unit area is given by which expression?
Asigma T^4
Be sigma T^4
Csigma T^4 / e
De sigma T
Answer & Solution
Correct answer: B. e sigma T^4
An ordinary body radiates less than a blackbody by its emissivity factor e, so R = e sigma T^4.
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