Question

Consider a beam of monochromatic radiation at wavelength λ that enters a layer of absorbing gas. As the beam passes through the gas layer, its intensity is given by

a.

d I λ X = – K λ I λ X d x

b.

d I λ X = – 2 K λ I λ X d x

c.

d I λ X = – 3 K λ I λ X d x

d.

d I λ X = – 4 K λ I λ X d x

Posted under Heat Transfer

Answer: (a).d I λ X = – K λ I λ X d x

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Q. Consider a beam of monochromatic radiation at wavelength λ that enters a layer of absorbing gas. As the beam passes through the gas layer, its intensity is given by
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