The orderly distribution of electromagnetic radiations according to their wavelength or frequency as called the electromagnetic spectrum. Electromagnetic spectrum has a very wide range with wavelength variation from 10-13m to 6×106m.
The usual classification of the electromagnetic spectrum is explained below
Manu Kumar Khatry, Manoj Kumar Thapa, Bhesha Raj Adhikari, Arjun Kumar Gautam, Parashu Ram Poudel. Principle of Physics. Kathmandu: Ayam publication PVT LTD, 2010.
S.K. Gautam, J.M. Pradhan. A text Book of Physics. Kathmandu: Surya Publication, 2003.
The orderly distribution of electromagnetic radiations according to their wavelength or frequency as called the electromagnetic spectrum.
Radiowaves are electromagnetic waves of the frequency range from few Hz to 106 Hz.
The frequency range of microwaves is 109 Hz to 3.0×1011Hz.
The wavelength range of infra-red rays 1 nm to 700 nm and the frequency range is 3.0 × 2011Hz to 4.3 × 1014Hz.
The range of visible light is 400 nm to 60 nm and their frequency range is 4.3×1014Hz to 7.5×1014Hz.
The range of ultra-violet rays is 400 nm to 60 nm and their frequency range is 7.5×1014Hz to 5×1015Hz.
The range of the wavelength of X-rays varies from 60 nm to 10-8 and the frequency of these waves varies from 5.0×015Hz to 3.0×1018Hz.
The range of the frequency of γ-rays is between 3.018Hz to 3.0×1022 Hz..