网页电磁波能量、频率、波长转换关系:. E=h\nu=h\frac {c} {\lambda}\\. E =4.136\times (\nu/10^ {15}Hz)\ eV \\. E=1.240 \times (1\mu m/\lambda) \ eV \\. 其中,普朗克常数,光速为. h=6.626 \times 10^ {-27} erg\, s =6.626 \times10^ {-34} J \, s \\. c\approx3 \times10^ {10} cm\ s^ {-1} \\. 无线电波频带划分.