Why does the product of the peak wavelength and the peak frequency of Planck's black body radiation not equal to the speed of light?
$$λ_{\mathrm{max}}=\frac{hc}{4.97\mathrm{kT}},$$ while $$ν_{\mathrm{max}}=\frac{2.82\mathrm{kT}}{h}.$$
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2$\begingroup$ Does this answer your question? The strange thing about the maximum in Planck's law $\endgroup$– Riley Scott JacobCommented Jun 2 at 12:28
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$\begingroup$ what about number of photons per Hz per str per m2? $\endgroup$– JEBCommented Jun 2 at 16:43
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