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ppk ppk
wrote...
Valued Member
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Posts: 3561
12 years ago
What primary wavelength and corresponding photon energy is emitted by a body at:
(a)   400.°C?
(b)   800.°C?
(c)   1200.°C?
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Replies
wrote...
Educator
12 years ago
(a)   4.31 \({\mu}\)m, 0.288 eV
(b)   2.70 \({\mu}\)m, 0.459 eV
(c)   1.97 \({\mu}\)m, 0.630 eV
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