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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.
Македонски: Планкови криви на разни температури на едно црно тело споредени со крива на класичниот Рејли-Џинсов закон.
Українська: Планкові криві для різних температур у порівнянні з формулою Релея-Джинса.
Prūsiskan: Plankas kreiwāi pēr kitawīdans temperatūrins, perlīgina prēi Reilija-Džeinsas fōrmulan.
Français : Courbes de rayonnement du corps noir à différentes températures selon l'équation de Planck comparées à une courbe établie selon la théorie classique de Rayleigh et Jeans.
العربية: عدة اطياف اجسام سوداء عند درجات حرارة مختلفة
Date
Source Own work
Author Darth Kule
Other versions

  • English

  • Catalan

  • Danish

  • German

  • Spanish

  • Italian

  • Macedonian

  • Prussian

  • Ukrainian

  • French

  • Arabic
SVG development
InfoField
 
The SVG code is valid.
 
This chart was created with Gnuplot.
 
 This chart is translated using SVG switch elements: all translations are stored in the same file.
Source code
InfoField
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

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UV Catastrophe

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creator

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Wikimedia username: Darth Kule
URL: https://commons.wikimedia.org/wiki/user:Darth_Kule
author name string: Darth Kule

copyright status

copyrighted, dedicated to the public domain by copyright holder

copyright license

released into the public domain by the copyright holder

inception

5 June 2010

source of file

original creation by uploader

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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(newest | oldest) View (newer 10 | ) (10 | 20 | 50 | 100 | 250 | 500)
Date/TimeThumbnailDimensionsUserComment
current21:14, 24 December 2024Thumbnail for version as of 21:14, 24 December 2024600 × 480 (32 KB)Kxeonno, this is that.
21:10, 24 December 2024Thumbnail for version as of 21:10, 24 December 2024600 × 480 (32 KB)Kxeonoops, forgot credits, translation by User:Alexandre Bessette from File:Black_body-fr.svg
21:03, 24 December 2024Thumbnail for version as of 21:03, 24 December 2024600 × 480 (32 KB)Kxeonfrench
23:11, 5 December 2024Thumbnail for version as of 23:11, 5 December 2024600 × 480 (31 KB)KxeonReverted to version as of 23:02, 5 December 2024 (UTC) ok then so now i think i broke this file maybe forever. sorry
23:10, 5 December 2024Thumbnail for version as of 23:10, 5 December 2024600 × 480 (23 KB)KxeonReverted to version as of 23:02, 5 December 2024 (UTC) somehow broken
23:02, 5 December 2024Thumbnail for version as of 23:02, 5 December 2024600 × 480 (31 KB)KxeonReverted to version as of 23:01, 5 December 2024 (UTC) wait, wdym it worked before??
23:02, 5 December 2024Thumbnail for version as of 23:02, 5 December 2024600 × 480 (23 KB)KxeonReverted to version as of 20:22, 5 December 2024 (UTC) well it clearly doesnt like this one bit. reverting until fixed
23:01, 5 December 2024Thumbnail for version as of 23:01, 5 December 2024600 × 480 (31 KB)Kxeonno more sodipodi
22:59, 5 December 2024Thumbnail for version as of 22:59, 5 December 2024600 × 480 (32 KB)Kxeonhrm
22:48, 5 December 2024Thumbnail for version as of 22:48, 5 December 2024600 × 480 (31 KB)Kxeoncuves smoothened (credits to MikeRun for making File:Black_body_DE.svg {archive: [https://web.archive.org/web/20241205224615/https://commons.wikimedia.org/wiki/File:Black_body_DE.svg]})
(newest | oldest) View (newer 10 | ) (10 | 20 | 50 | 100 | 250 | 500)

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