Legea lu Stefan-Boltzman
Omaga=psi*t la a 4. (psi = const ST-B=5,67*10 la -8 w*m la -2 k la -4)
Boltzman fol termodin clasica si cuniscand ca rad term de echil (P= 1/3 * omega(T) )este echiv cu 1 gaz ideal.
Rad term de echil<=> (rad term .. => P=1/3 * omega(T)
W=CT la 4
Const variabila distr Boltzmann
<E>= suma de la n=1 la N din Pn*En
Legea lu Plank pt deunt spectrala de energ termica
Omega V=8piVla 3/c la 3 * 1/e la +hv/RT ,-1
Legea lu Plank pt deunt spectrala de energ termica
Omega V=8piVla 3/c la 3 * 1/e la +hv/RT ,-1