Physics · Heat Transfer
The net heat transfer rate by radiation from a body at temperature T1 with emissivity ε1 to its surroundings or another body at temperature T2 is proportional to which expression?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Q = σε1(T14 - T24) W/m2✓
- 2Q = σε2(T14 - T24) W/m2
- 3Q = σε1(T14 + T24) W/m2
- 4Q = σε2(T12 - T22) W/m2
Correct answer
Q = σε1(T14 - T24) W/m2
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