Heat TransferHard
Question
If eλ and aλ be the emissive power and absorption power respectively of a body and Eλ be the emissive power of an ideal black body then from Kirchhoff′s laws
Options
A.aλ = Eλ / eλ
B.aλ / eλ / Eλ
C.eλ / aλ = Eλ
D.eλ / Eλ = aλ
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