Question: If scattering is insignificant, show that the radiative transfer equation may be written as and if hf = kT this can be rewritten as By

If scattering is insignificant, show that the radiative transfer equation may be written as


2hf3 c2(ehf ]kt – 1) dLf dz -- L; = Ya


and if hf = kT this can be rewritten as


аТь %3 7a(Т — Ть). dz


By comparing these two equations, show that


2hf3 c2(ehf ]kt 1) dLf dz -- L; = Ya %3 7a(


Explain its significance.


2hf3 c2(ehf ]kt 1) dLf dz -- L; = Ya %3 7a( ). dz

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