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.
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 |
File:Black body.svg contains 11 translations.
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| SVG genesis | |
| Source 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"\
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Licensing
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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 (Q161424)
- black body radiation ≅ black-body radiation (Q900097)
- black-body radiation (Q900097)
- ultraviolet ≅ ultraviolet radiation (Q11391)
- ultraviolet (Q11391)
- wavelength ≅ wavelength (Q41364)
- wavelength (Q41364)
- spectral radiance ≅ spectral radiant intensity in terms of wavelength (Q81072410)
- spectral radiant intensity in terms of wavelength (Q81072410)
- spectral radiance ≅ spectral radiant energy (Q80237041)
- spectral radiant energy (Q80237041)
- kelvin ≅ kelvin (Q11579)
- kelvin (Q11579)
- μm, میکرومتر, µм, мкм, мкм, 微米, µm, μm, μm, µm, µm, µm, µm, µm
- K, К, K, K, K, K
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:19, 12 November 2025 | | 600 × 480 (29 KB) | wikimediacommons>Kxeon | File uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for it. |
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