Planck vs Rayleigh-Jeans Blackbody Spectrum
Classical physics predicts infinite UV energy. Planck's quantization fixes it — watch the difference grow by 20 orders of magnitude.
Temperature T
3000 K
X-axis
Frequency ν
Wavelength λ
Spectral Energy Density
Planck (correct)
Rayleigh-Jeans (UV catastrophe)
Wien peak
Ratio Planck / Rayleigh-Jeans
T =
3000 K
| Wien peak ν_max =
—
THz
RJ diverges at ν → ∞ ; ratio → 0 (×10
−20
at UV)