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Derive Stefan-Boltzmann law from Wien’s law.

  1. Sep 8, 2014 #1
    1. The problem statement, all variables and given/known data
    Derive Stefan-Boltzmann law from Wien’s law

    Hint: you can use (without proof) R(T) = -∞∫∞ R(λ,T)dλ , ρ(λ,T)=(4/c)*R(λ,T)

    2. Relevant equations

    wien's law: p(λ,T) = f(λ,T)/^5
    Stefan's law : R(T) = σT^4

    3. The attempt at a solution
    Honestly I am having trouble just starting this problem. I know I would be able to work it out if I knew where to begin.
     
  2. jcsd
  3. Sep 8, 2014 #2

    DrClaude

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    Staff: Mentor

  4. Sep 8, 2014 #3
    Oh thanks!
     
  5. Sep 8, 2014 #4

    nrqed

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    Well, the first step is: what is the function [itex] f(\lambda,T) [/itex] ?
     
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