black body radiation
black body radiation
Black body radiation is the radiation emitted by a perfect black body, i.e., a body which absorbs all radiation incident on it and reflects none. The wavelength dependence of the radiated energy density ? (energy per unit volume per unit wavelength range) is given by the Planck formula where ? is th...
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[n] - the electromagnetic radiation that would be radiated from an ideal black body
Found op http://www.webdictionary.co.uk/definition.php?query=black-body%20radiation
blackbody radiation noun the electromagnetic radiation that would be radiated from an ideal black body; the distribution of energy in the radiated spectrum of a black body depends only on temp...
Found op http://wordnetweb.princeton.edu/perl/webwn?s=black-body%20radiation
Black-body radiation is the type of electromagnetic radiation within or surrounding a body in thermodynamic equilibrium with its environment, or emitted by a black body (an opaque and non-reflective body) held at constant, uniform temperature. The radiation has a specific spectrum and intensity tha...
Found op http://en.wikipedia.org/wiki/Black-body_radiation
The radiation -- the radiance at particular frequencies all across the spectrum -- produced by a blackbody -- that is, a perfect radiator (and absorber) of heat. Physicists had difficulty explaining it until Planck introduced his quantum of action.
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The electromagnetic radiation emitted by an ideal black body; it is the theoretical maximum amount of radiant energy of all wavelengths which can be emitted by a body at a given temperature.The spectral distribution of black-body radiation is described by Planck law and the related radiation laws. I...
Found op http://www.diracdelta.co.uk/science/source/b/l/blackbody%20radiation/source
(from the article `light`) Blackbody radiation refers to the spectrum of light emitted by any heated object; common examples include the heating element of a toaster and the ... ...Such an ideal object absorbs and thus emits radiation of all frequencies equally and fully. A radiator/absorber of this...
Found op http://www.britannica.com/eb/a-z/b/74
Any physical body absorbs and emits electromagnetic radiation when its temperature is above absolute zero. Planck's law determines the radiant flux of a body at a specific wavelength. In atmospheric chemistry, the calculation involving the earth's blackbody radiation shows that the earth's surface t...
Found op http://www.chemistry-dictionary.com/definition/blackbody+radiation.php
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