M

Manisha Agrawal • 9.34K Points
Tutor III

Q. 40% of incident radiant energy on the surface of a thermally transparent body is reflected back. If the transmissivity of the body be 0.15, then the emissivity of surface is

(A) 0.45
(B) 0.55
(C) 0.4
(D) 0.75

Correct Answer - Option(A)
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