BLACK-BODY RADIATION

▸ Loading Planck curve B_λ(λ,T)…
▸ Building the glowing object emitting a continuous spectrum by temperature
▸ Calibrating Wien's law (λmax·T) & Stefan–Boltzmann (T⁴)
▸ Loading classical Rayleigh–Jeans prediction (ultraviolet catastrophe)
▸ Energy quantisation E = hf (Planck 1900)…
▸ Ready — Online. ✅
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⌂ Particle & Quantum

Simulation room Black-body Radiation & Planck Quantum

Black-body Radiation
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Planck spectrum · Wien · Stefan–Boltzmann · E=hf
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Temperature T—
Object colour—
Peak λmax (Wien)—
Peak spectral region—
Total energy ∝T⁴—
Note
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Drag the Temperature slider on the right → object changes colour & spectral peak shifts · choose scenarios to see Wien · T⁴ · UV catastrophe · star colours.
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Wien peak λmax & R/G/B intensity (temperature sweep) λmaxRGB