If the emissive power of a certain body at a certain temperature is 20 – InterviewSolution

InterviewSolution

1.

If the emissive power of a certain body at a certain temperature is 2000 W/m2 and the emissive power of a perfect blackbody at the same temperature is 10000 W/m2 , what is the coefficient of emission of the body?

Answer»

The coefficient of emission of the body,

e = \(\frac{R}{R_b}\) = \(\frac{2000}{1000}\) = 0.2

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