Physics · Radiation Heat Transfer
Which of the following equations correctly represents the reciprocity theorem used in radiation heat transfer between two diffuse surfaces of areas A1 and A2?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1F12 = F21
- 2A1 F12 = A2 F21✓
- 3A2 F12 = A1 F21
- 4ε1 F12 = ε2 F21
Correct answer
A1 F12 = A2 F21
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