In thermal radiation for a black body (where, ≈í¬µ is emissivity – McqOptions

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1.	In thermal radiation for a black body (where, ≈í¬µ is emissivity and ≈í¬± is absorptivity)?
A.	≈í¬± = 1; ≈í¬µ ‚Äö√¢‚Ä 1
B.	≈í¬± ‚Äö√¢‚Ä 1, ≈í¬µ = 1
C.	≈í¬± ‚Äö√¢‚Ä 1, ≈í¬µ ‚Äö√¢‚Ä 1
D.	≈í¬± = 1; ≈í¬µ = 1
Answer» E.

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