File:Black body.svg

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Summary

Description
Català: Comparació entre les corbes de radiació espectral per a un cos negre segons la teoria de Planck i la teoria clàssica de Rayleigh-Jeans.
English: Black body spectral radiance curves for various temperatures after Planck, and comparison with the classical theory of Rayleigh-Jeans (in cgs units).
Italiano: Confronto fra le curve del corpo nero della teoria di Planck e della teoria classica di Rayleigh-Jeans.
Date
Source Own work
Author Darth Kule
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  • македонски
    македонски
  • italiano
    italiano
  • español
    español
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    Deutsch
  • català
    català
SVG development
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Source code
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Gnuplot code
set term svg set termoption enhanced set encoding utf8 set output 'Black_body.svg' unset key set tics nomirror out set border 3 set xrange [0:6] set yrange [0:15]   set ylabel "Spectral radiance (kW • sr⁻¹ • m⁻² • nm⁻¹)" set xlabel "Wavelength (μm)" set label "5000 K" at 0.45,13.1 set label "4000 K" at 0.6,4.55 set label "3000 K" at 0.8,1.4 set label "Classical theory (5000 K)" at 1.55,11 set grid lc rgb "light-blue"   # length unit is micrometre c=3e14 # speed of light h=6.626e-22 # Planck constant k=1.38e-11 # Boltzmann constant   # Planck curves p1(x)=1e-6*2*h*c**2/(x**5*(exp(h*c/(x*k*3000))-1)) p2(x)=1e-6*2*h*c**2/(x**5*(exp(h*c/(x*k*4000))-1)) p3(x)=1e-6*2*h*c**2/(x**5*(exp(h*c/(x*k*5000))-1)) p4(x)=1e-6*2*h*c**2/(x**5*(exp(h*c/(x*k*6000))-1))   # Rayleigh-Jeans curve rj(x)=1e-6*2*c*k*5000/(x**4)    plot p1(x) lw 2, p2(x) lw 2, p3(x) lw 2, p4(x) lw 2 plot rj(x) lw 2 lc rgb "black"\

Licensing

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

All translations

Translations added to this section should be free of copyright claims (either CC0 or public domain).

black body ≅ black body (Q161424)
black body
black body radiation ≅ black-body radiation (Q900097)
black body radiation
ultraviolet ≅ ultraviolet radiation (Q11391)
ultraviolet
visible ≅ visible spectrum (Q76299)
visible
infrared ≅ infrared radiation (Q11388)
infrared
wavelength ≅ wavelength (Q41364)
wavelength
μm ≅ micrometre (Q175821)
μm
spectral radiance ≅ spectral radiant intensity in terms of wavelength (Q81072410)
spectral radiance
spectral radiance ≅ spectral radiant energy (Q80237041)
spectral radiance
kelvin ≅ kelvin (Q11579)
kelvin
  • μm, میکرومتر, µм, мкм, мкм, 微米, µm, μm, μm, µm, µm, µm
  • K, К, K, K, K, K

Captions

UV Catastrophe

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inception

5 June 2010

media type

image/svg+xml

checksum

8dc664ed52e331a618d8e64c3380a6ad8f284f28

determination method or standard: SHA-1

data size

20,650 byte

height

480 pixel

width

600 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current03:48, 3 January 2024Thumbnail for version as of 03:48, 3 January 2024600 × 480 (20 KB)Glrxremove #text nodes after tspan elements // Editing SVG source code using c:User:Rillke/SVGedit.js
11:08, 30 September 2023Thumbnail for version as of 11:08, 30 September 2023600 × 480 (20 KB)TownieFile uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for ca.
11:28, 7 April 2020Thumbnail for version as of 11:28, 7 April 2020600 × 480 (15 KB)GKFXcleanup, move curves to foreground
14:21, 6 March 2020Thumbnail for version as of 14:21, 6 March 2020600 × 480 (33 KB)Oz1sejFile uploaded using svgtranslate tool (https://tools.wmflabs.org/svgtranslate/). Added translation for da.
14:19, 6 March 2020Thumbnail for version as of 14:19, 6 March 2020600 × 480 (33 KB)Oz1sejFile uploaded using svgtranslate tool (https://tools.wmflabs.org/svgtranslate/). Added translation for da.
17:06, 10 July 2013Thumbnail for version as of 17:06, 10 July 2013600 × 480 (30 KB)CmgleeAdd visible spectrum.
00:18, 11 February 2013Thumbnail for version as of 00:18, 11 February 2013600 × 480 (26 KB)Vaughan Pratt"Spectral radiance" more standard than "Intensity" in ylabel; replaced "arb units" by actual units (kW per sq m per steradian per nm)
10:40, 18 September 2010Thumbnail for version as of 10:40, 18 September 2010600 × 480 (25 KB)UncleDouggieRestore the μ symbol in the axis label that I lost when generating the recent update.
10:03, 18 September 2010Thumbnail for version as of 10:03, 18 September 2010600 × 480 (25 KB)UncleDouggieAdded grid lines to match original PNG file, changed color of classical plot to black as required by existing text in some articles that use the PNG version.
15:58, 5 June 2010Thumbnail for version as of 15:58, 5 June 2010600 × 480 (11 KB)Darth Kulefix mistake
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