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Learn about the full range of electromagnetic radiation, organized by frequency or wavelength, and its properties and applications. Explore the history and discovery of the spectrum, from visible light to gamma rays.
The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3,000 GHz (3 THz ). It is used for various radio communication services, such as broadcasting, mobile radio, navigation, and more. Learn about the limits, bands, and frequency plans of the radio spectrum.
Aug 29, 2023 · Learn what the electromagnetic spectrum is and how it covers a wide range of frequencies and wavelengths of electromagnetic radiation. Find out the properties, uses, and examples of different classes of electromagnetic waves, from radio to gamma rays.
Sep 9, 2024 · Learn about the entire distribution of electromagnetic radiation according to frequency or wavelength, from radio waves to gamma rays. Explore the properties, applications, and history of light and its interactions with matter.
- The Editors of Encyclopaedia Britannica
Jun 5, 2024 · Learn about the different types and uses of sound, light, and radio waves in the frequency spectrum. Explore the history, technology, and culture of shortwave radio, from international broadcasting to amateur radio to numbers stations.
Learn about the different types and frequencies of electromagnetic waves, from radio waves to gamma rays. See tables, diagrams, and examples of applications and sources of each band.
The microwave portion of the electromagnetic spectrum can be subdivided into three ranges listed below from high to low frequencies: extremely high frequency (30 to 300 GHz), super high frequency (3 to 30 GHz), and ultra-high frequency (300 MHz to 3 GHz).
