The electromagnetic spectrum is divided into the following regions:
Gamma-rays
[wavelength 10^-14 m - 10^-11 m, frequency 10^22 Hz – 10^19 Hz,
X-rays
[wavelength 10^-12 m - 10^-8 m, frequency 10^20 Hz –10^16 Hz,
Ultraviolet radiation
[wavelength 10^-8 m - 10^-6 m, frequency 10^17 Hz – 10^15 Hz,
Visible light
[wavelength 10^-7 m - 10^-6 m, frequency 10^15 Hz – 10^14 Hz,
Infrared radiation
[wavelength 10^-6 m -10^-3 m, frequency 10^14 Hz – 10^12 Hz,
Microwaves
[wavelength 10^-4 m – 10^-1 m, frequency 10^13 Hz – 10^9 Hz,
Radio waves
[wavelength 10 m – 10^3 m, frequency 10^8 Hz – 10^6 Hz,