{"type":"rich","version":"1.0","title":"Planck's law of blackbody radiation (frequency form)","html":"<span class=\"wb-embed wb-embed-math\" data-latex=\"B_{\\nu}(T) = \\frac{2h\\nu^{3}}{c^{2}}\\frac{1}{e^{h\\nu/k_{\\mathrm{B}}T} - 1}\">B_{\\nu}(T) = \\frac{2h\\nu^{3}}{c^{2}}\\frac{1}{e^{h\\nu/k_{\\mathrm{B}}T} - 1}</span>","width":640,"height":320}