While the total emissivity of a perfect black body is unity, the same for a real body is

M

Mr. Dubey • 52.30K Points
Coach

Q. While the total emissivity of a perfect black body is unity, the same for a real body is

(A) 0

(B) 1

(C) > 1

(D) Between 0 and 1

Correct : Option (D)

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