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  2. Black-body radiation - Wikipedia

    en.wikipedia.org/wiki/Black-body_radiation

    These particles form a part of the black body spectrum, in addition to the electromagnetic radiation. [52] A black body at room temperature (23 °C (296 K; 73 °F)) radiates mostly in the infrared spectrum, which cannot be perceived by the human eye, [53] but can be sensed by some reptiles. As the object increases in temperature to about 500 ...

  3. Planckian locus - Wikipedia

    en.wikipedia.org/wiki/Planckian_locus

    Planckian locus in the CIE 1931 chromaticity diagram. In physics and color science, the Planckian locus or black body locus is the path or locus that the color of an incandescent black body would take in a particular chromaticity space as the blackbody temperature changes.

  4. Black body - Wikipedia

    en.wikipedia.org/wiki/Black_body

    A black body or blackbody is an idealized physical body that absorbs all incident electromagnetic radiation, regardless of frequency or angle of incidence. The radiation emitted by a black body in thermal equilibrium with its environment is called black-body radiation. The name "black body" is given because it absorbs all colors of light.

  5. Planck's law - Wikipedia

    en.wikipedia.org/wiki/Planck's_law

    The importance of the Lummer and Kurlbaum cavity radiation source was that it was an experimentally accessible source of black-body radiation, as distinct from radiation from a simply exposed incandescent solid body, which had been the nearest available experimental approximation to black-body radiation over a suitable range of temperatures.

  6. Talk:Planckian locus - Wikipedia

    en.wikipedia.org/wiki/Talk:Planckian_locus

    The black body spectral radiance is given by" prompts for qn like "why do I need radiance, when there's intensity in formulas above? 195.137.203.137. All of the quantities should probably have clearly specified units or dimensions, since these formulas can get confusing.--Srleffler 06:18, 17 January 2007 (UTC) PS. to the anonymous editor: Welcome!

  7. Correlated color temperature - Wikipedia

    en.wikipedia.org/wiki/Correlated_color_temperature

    A black body is characterized by its temperature and emits light of a specific hue, which is referred to as color temperature. [ 3 ] [ 4 ] [ 5 ] In practice, light sources that approximate Planckian radiators, such as certain fluorescent or high-intensity discharge lamps, are assessed based on their CCT, which is the temperature of a Planckian ...

  8. Rayleigh–Jeans law - Wikipedia

    en.wikipedia.org/wiki/Rayleigh–Jeans_law

    Comparison of Rayleigh–Jeans law with Wien approximation and Planck's law, for a body of 5800 K temperature.. In physics, the Rayleigh–Jeans law is an approximation to the spectral radiance of electromagnetic radiation as a function of wavelength from a black body at a given temperature through classical arguments.

  9. Lists of physics equations - Wikipedia

    en.wikipedia.org/wiki/Lists_of_physics_equations

    In physics, there are equations in every field to relate physical quantities to each other and perform calculations. Entire handbooks of equations can only summarize most of the full subject, else are highly specialized within a certain field. Physics is derived of formulae only.