8 26.2 The appearance of Plank' s constant h Experimental law of blackbody radiation e(λ,T Ultraviolet catastrophe e(礼,T=C1 fIend Rayleigh-Jeans e(λ,T)=CT 01234 (m) 526.2 The appearance of Plank' s constant h Every attempt to explain the blackbody spectrum based on electromagnetic theory and thermodynamics failed to predict the shape of the blackbody spectrum 2.Pank’ s law and plank’ s constant (a, T)=2rhc 2(ekxr-1) 88 0 1 2 3 4 5 6 7 8 9 λ(µ m) ( , ) e0 λ T ™Experimental law of blackbody radiation 4 ( , ) − eo λ T = CTλ Wien T C o e T C e λ λ λ 2 5 1 ( , ) − − = Rayleigh-Jeans Ultraviolet catastrophe §26.2 The appearance of Plank’s constant h 2 5 1 0 ( , ) 2 ( 1) − − = − k T hc e T hc e λ λ π λ 0 λ (T,λ) 0 e 2. Plank’s law and Plank’s constant §26.2 The appearance of Plank’s constant h Every attempt to explain the blackbody spectrum based on electromagnetic theory and thermodynamics failed to predict the shape of the blackbody spectrum