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Deriving the density of states for waves in a blackbody
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[QUOTE="TSny, post: 4361709, member: 229090"] It looks to me that [I]your[/I] derivation is essentially correct! The instructor's result is clearly incorrect as N(λ)dλ should be dimensionless. You still need to multiply your result by 2 to take into account the 2 independent polarizations for each mode. More often, the derivation of the density of states is carried out in terms of frequency (##\nu##) or wavenumber (k) instead of wavelength. But you can then easily express these results in terms of wavelength. For example, you can compare your result with that given [PLAIN]http://www.phys-astro.sonoma.edu/people/faculty/tenn/p314/BlackbodyRadiation.pdf[/PLAIN] . [/QUOTE]
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Deriving the density of states for waves in a blackbody
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