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From Planck's law to derive the stefan Boltzman constant.

  1. Dec 8, 2013 #1
    The following is the Planck's derivation for black body radiation
    $${\rho}({\lambda}) d{\lambda}=E({\lambda})*f({E(\lambda}))*D({\lambda})d{\lambda}------equation 1$$
    $$\int_0^\infty{\rho}({\lambda})d{\lambda}$$ is the density of radiative energy.
    From
    http://en.wikipedia.org/wiki/Stefan–Boltzmann_law#Derivation_from_Planck.27s_law

    "..... is the amount of energy per unit surface area per unit time per unit solid angle emitted at a frequency by a black body at temperature T." From Wikipedia .
    How should I derive the I(v,T) from Planck's law? Please help .thanks
     
  2. jcsd
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