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Black body (redirect from Blackbody)A black body or blackbody is an idealized physical body that absorbs all incident electromagnetic radiation, regardless of frequency or angle of incidence...46 KB (5,110 words) - 13:18, 23 August 2024
Black-body radiation (redirect from Blackbody radiation)insulated enclosure which is in thermal equilibrium internally contains blackbody radiation, and will emit it through a hole made in its wall, provided...68 KB (8,648 words) - 23:48, 26 August 2024
image, called a thermogram. 1860: Gustav Kirchhoff formulated the blackbody theorem E = J ( T , n ) {\displaystyle E=J(T,n)} . 1873: Willoughby Smith...91 KB (9,159 words) - 05:13, 14 September 2024
Second law of thermodynamics (section Carnot's theorem)area, and solid angle. In deriving this blackbody spectral entropy radiance, with the goal of deriving the blackbody energy formula, Planck postulated that...107 KB (15,504 words) - 13:08, 1 September 2024- Planck's law (redirect from Blackbody function)physics led, via the equipartition theorem, to the ultraviolet catastrophe, a prediction that the total blackbody radiation intensity was infinite. If...141 KB (18,060 words) - 20:19, 28 August 2024
- Unlike blackbody radiation, non-blackbody radiation cannot exist in equilibrium with matter, so it appears likely that the interaction of non-blackbody radiation...81 KB (11,011 words) - 11:31, 1 September 2024
intent was to find a satisfactory derivation of Wien's expression for the blackbody radiation curve, which accurately described the data at high frequencies...11 KB (1,842 words) - 09:46, 3 November 2023
Wärme und Licht,” Annalen der Physik 185(2), 275-301. (coinage of term “blackbody”) [On the relationship between the emissivity and the absorptivity of...19 KB (1,731 words) - 09:03, 13 September 2024
electromagnetic radiation of a blackbody in one dimension—i.e., it is the one-dimensional version of Planck's law of blackbody radiation. In other words,...33 KB (3,776 words) - 16:59, 29 August 2024- Notable results from this period include Planck's calculation of the blackbody radiation spectrum, Einstein's explanation of the photoelectric effect...66 KB (8,316 words) - 23:34, 27 August 2024
PMC 7992149. PMID 33778298. Cardoso, T. R.; de Castro, A. S. (2005). "The blackbody radiation in a D-dimensional universe". Rev. Bras. Ens. Fis. 27 (4): 559–563...74 KB (11,893 words) - 18:23, 12 September 2024- the ultraviolet catastrophe problem, he realized that the properties of blackbody radiation can be explained by the assumption that the amount of energy...12 KB (1,531 words) - 05:34, 23 August 2024
- Neutrino theory of light (section Blackbody radiation)the Blackbody radiation experiments which are in agreement with Planck's distribution. Perkins calculated the photon distribution for Blackbody radiation...47 KB (8,044 words) - 23:45, 27 May 2024
- professor, Satyendra Nath Bose, outlining a new method of deriving the law of blackbody radiation. Einstein was intrigued by Bose's peculiar method of counting...104 KB (13,907 words) - 22:38, 5 July 2024
explanation by general relativity. Quantum mechanics led to an understanding of blackbody radiation (which indeed, was an original motivation for the theory) and...24 KB (2,624 words) - 11:51, 1 September 2024- begin with the emergence of quantum ideas to explain individual phenomena—blackbody radiation, the photoelectric effect, solar emission spectra—an era called...78 KB (9,558 words) - 11:49, 10 August 2024
spectra, nor for the distribution of blackbody radiation in different wavelengths. Max Planck's study of blackbody radiation marked the beginning of quantum...106 KB (14,897 words) - 17:13, 18 August 2024- the Schwarzschild radius of the black hole, the Stefan–Boltzmann law of blackbody radiation, the above formula for the temperature of the radiation, and...48 KB (6,216 words) - 08:39, 9 September 2024
- visible particles (Brownian motion) electromagnetic field fluctuations, (blackbody radiation in free space, Johnson–Nyquist noise in wires) Mathematically...6 KB (749 words) - 18:56, 3 October 2023
List of scientific publications by Albert Einstein (redirect from Einstein theorem)hypothesis as merely a mathematical trick to obtain the correct description of blackbody radiation (Planck's law), Einstein considered it to be an aspect of physical...181 KB (5,937 words) - 19:17, 9 September 2024
- My favorite, after years of studying them, is Einstein’s paper on the blackbody radiation. [...] Part of being a great scientist is to know—have an instinct
- equipartition theorem to be, ⟨ E ( ν , T ) ⟩ = k B T {\displaystyle \langle E(\nu ,T)\rangle =k_{B}T} Combined with the Rayleigh model, the blackbody intensity