Spectrum of Electromagnetic Radiation

 

Region Wavelength (A) Wavelength (cm) Frequency (Hz) Energy (eV)
Radio > 109 > 10 < 3x109 < 10-5
Microwave 109 - 106 10 - 0.01 3x109 - 3x1012 10-5 - 0.01
Infrared 106 - 7000 0.01 - 7 x 10-5 3x1012 - 4.3x1014 0.01 - 2
Visible 7000 - 4000 7x10-5 - 4x10-5 4.3x1014 - 7.5x1014 2 - 3
Ultraviolet 4000 - 10 4x10-5 - 10-7 7.5 x 1014 - 3 x 1017 3 - 103
X-Rays 10 - 0.1 10-7 - 10-9 3x1017 - 3x1019 103 - 105
Gamma Rays < 0.1 < 10-9 > 3x1019 > 105