λ = c f {\displaystyle \lambda ={\frac {c}{f}}}
Lichtgeschwindigkeit
c = 299792.458 k m s ≈ 3 ∗ 10 8 m s {\displaystyle c=299792.458~{\frac {km}{s}}\approx 3*10^{8}~{\frac {m}{s}}}
Wellenlänge
λ = 600 n m = 6 ∗ 10 − 7 m {\displaystyle \lambda =600~nm=6*10^{-7}~m}
Frequenz
f = c λ ≈ 3 ∗ 10 8 m s 6 ∗ 10 − 7 m {\displaystyle f={\frac {c}{\lambda }}\approx {\frac {3*10^{8}~{\frac {m}{s}}}{6*10^{-7}~m}}}
f ≈ 5 ∗ 10 14 ⧸ m s ⧸ m = 5 ∗ 10 14 1 s = 5 ∗ 10 14 H z {\displaystyle f\approx 5*10^{14}~{\frac {\color {Red}\not {\color {Black}m}}{s\color {Red}\not {\color {Black}m}}}=5*10^{14}~{\frac {1}{s}}=5*10^{14}Hz}
f ≈ 500 T H z = 0.5 M i o G H z {\displaystyle f\approx 500~THz=0.5~Mio~GHz}
