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| Keywords: Black body.svg en Black body curves of Planck for various temperatures and comparison with classical theory of Rayleigh-Jeans it Confronto fra le curve del corpo nero della teoria di Planck e della teoria classica di Rayleigh-Jeans own Darth Kule 2010-06-05 <gallery> File Black body mk svg language mk </gallery> translatable Created with Gnuplot gnuplot source <source lang gnuplot > 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 </source> Rayleigh Jeans law Images with Gnuplot source code | ||||
