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For infinite parallel planes having emis-sivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by

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Question: For infinite parallel planes having emis-sivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by
[A].

(ε1 + ε2)/ε1.ε2

[B].

ε1.ε2/(ε1 + ε2 – ε1.ε2)

[C].

ε1.ε2

[D].

ε1 + ε2

Answer: Option B

Explanation:

No answer description available for this question.