Ranges of wavelengths of gases to absorb & emit radiant energy - Heat Transfer

Q.  Gases absorb and emit radiant energy
- Published on 12 Aug 15

a. in all wavelengths over the entire spectrum (λ = 0 to ∞)
b. only between narrow ranges of wavelengths
c. only at single constant wavelength
d. unpredictable

ANSWER: only between narrow ranges of wavelengths

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