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In physics, Planck's law (also Planck radiation law: 1305 ) describes the spectral density of electromagnetic radiation emitted by a black body in thermal equilibrium at a given temperature T, when there is no net flow of matter or energy between the body and its environment.
History & Measurement
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radiation temperature energy law planck equilibrium body frequency wavelength planck's displaystyle spectral black thermal radiance thermodynamic frac one material wavelengths
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| photons | instance of | In the case of massless bosons | 0.80 | text |
| gluons | instance of | In the case of massless bosons | 0.80 | text |
| the chemical potential is zero | instance of | In the case of massless bosons | 0.80 | text |
| the Bose | instance of | In the case of massless bosons | 0.80 | text |
| prisms or diffraction gratings | instance of | nor did he use spectrally resolving apparatus | 0.80 | text |
| Maxwell's wave equations | instance of | But Planck was unable to find a way to reconcile his blackbody equation with continuous laws | 0.80 | text |
| might be envisaged by classical physics | instance of | viewed as enduring physical objects | 0.80 | text |
| did not give an adequate explanation of the phenomena.Nowadays | instance of | viewed as enduring physical objects | 0.80 | text |
| as a statement of the energy of a light quantum | instance of | viewed as enduring physical objects | 0.80 | text |
| often one finds the formula E | instance of | viewed as enduring physical objects | 0.80 | text |
| Planck's law | related to Approximations | In | 0.60 | section |
| Planck's law | related to Approximations | Planck's | 0.60 | section |
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