Linked from

The 43 pages that link to Planck's law, each with the reason it gives.

• Quantum mechanicsRelated: It fit the measured spectrum using discrete energy exchanges.

• Thermal radiationRelated: It specifies how thermal radiation is distributed across frequencies.

• Black-body radiationRelated: It specifies the spectrum and introduced energy quantization to match observations.

• Color temperatureRelated: It predicts the wavelength distribution underlying blackbody color at each temperature.

• Max PlanckBroader topic: This is the precise radiation formula Planck derived to match observations across wavelengths.

• Boltzmann constantRelated: The law contains k alongside Planck’s constant to describe radiation at a given temperature.

• Bose–Einstein statisticsRelated: It follows from applying bosonic statistics to photon modes.

• Stefan–Boltzmann lawRelated: Integrating its spectrum over all frequencies yields the Stefan–Boltzmann law.

• Wave–particle dualityRelated: Its quantization began the chain of ideas that made light’s particle aspect unavoidable.

• Spectral power distributionRelated: The physical law that predicts SPD shape for incandescent and solar radiation.

• Old quantum theoryRelated: Its derivation introduced discrete energy elements, the starting point for quantum theory.

• EmissivityRelated: Its black-body spectrum supplies the wavelength-specific denominator in spectral emissivity.

• Incandescent light bulbRelated: It explains why raising filament temperature shifts more radiation toward visible wavelengths.

• Ultraviolet catastropheRelated: It replaces the divergent classical spectrum with the observed finite distribution.

• Kirchhoff's law of thermal radiationRelated: It supplies the equilibrium radiation spectrum against which emission is compared.

• Rayleigh–Jeans lawCompared with: It replaces the classical energy assumption that causes the short-wavelength divergence.

• InfraredRelated: It predicts how an object's temperature sets the wavelengths and intensity of its infrared emission.

• Infrared thermographyRelated: Thermal cameras use this relationship to interpret measured infrared wavelengths.

• Radiative coolingRelated: It predicts the wavelengths and intensity of radiation available for a surface to emit.

• Wien's displacement lawRelated: Maximizing Planck’s spectrum with respect to wavelength yields Wien’s displacement law.

• Spectral energy distributionRelated: It predicts the form of a thermal spectral energy distribution.

• RadianceRelated: It provides a standard radiance prediction for thermal sources.

• Kirchhoff's laws of spectroscopyRelated: It supplies a quantitative continuum spectrum beyond Kirchhoff's qualitative source categories.

• RadiometryRelated: It predicts wavelength-resolved radiance from a fundamental physical model.

• Spectral radianceRelated: It predicts thermal spectral radiance from temperature and frequency or wavelength.

• Absolute temperatureRelated: Its temperature parameter is absolute and determines the spectrum's shape.

• Satyendra Nath BoseRelated: Bose derived Planck’s radiation law through a new quantum counting argument.

• Einstein coefficientsRelated: Einstein derived relations among the coefficients by requiring atomic transitions to reproduce this equilibrium spectrum.

• Bose–Einstein distributionBroader topic: It applies the distribution to photons, whose chemical potential is zero at equilibrium.

• Brightness temperatureRelated: Its inverse yields the blackbody temperature matching an observed radiance.

• Radiative equilibriumRelated: It specifies how equilibrium emission is distributed across wavelengths.

• Wien approximationNarrower topic: The Wien approximation emerges from Planck’s spectrum when photon energies greatly exceed thermal energy.

• Wilhelm WienRelated: It replaced Wien’s incomplete spectrum formula with a law valid across all wavelengths.

• Black bodyRelated: It predicts the black body's emission spectrum across frequencies and temperatures.

• Photon gasRelated: It gives the equilibrium spectrum of a photon gas.

• Planck relationBroader topic: It incorporates the quantized oscillator energies that motivate the relation.

• Planckian locusRelated: It determines the spectrum converted into each chromaticity point.

• Einstein solidRelated: Einstein extended Planck’s quantization idea from radiation to lattice vibrations.

• History of quantum mechanicsBroader topic: Max Planck introduced it in 1900, beginning the quantum hypothesis.

• Radiation (physics)Related: It quantifies the spectrum produced by thermal radiation.

• Stefan–Boltzmann constantRelated: Integrating its spectrum over all wavelengths yields the Stefan–Boltzmann law.

• Infrared techniquesRelated: It connects a thermal camera's measured spectrum to the source temperature.

• Planck postulateRelated: It is the spectrum Planck derived by assigning oscillators discrete energy values.