RADIO WAVES Definition & Meaning

radio waves

Waves at the end of the electromagnetic spectrum with the lowest frequency (less than 300 megahertz) and the longest wavelength (from a few feet to many miles). Because of their low frequency, radio waves carry very little energy compared to other electromagnetic waves. (See Planck's constant.)

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Radio waves can pass through the atmosphere and therefore are very useful for communication. Commercial, short-wave, and citizens' band radio are broadcast with radio waves, as is television.

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Example Sentences

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A small number of broadcasters and non-profit organisations transmit information into the country in the dead of night on short and medium radio waves, so North Koreans can tune in to listen in secret.

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In a semi-rural location, it has a good line of sight and as radio waves travel in a straight line , it is easy for a pilot to move things in.

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This is a different kind of World War II love story, about a hidden jewel and the power of radio waves and the mysterious ways in which human decency can survive even the cruelest circumstances.

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As well as brightening the sky and interfering with astronomy through their flashes and radio waves, satellites pollute the atmosphere on launch and on re-entry, as research from last October underscored.

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But simulating visual imagery based on radio waves is an unusual approach for robots and autonomous vehicles.

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radio wave radio window

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radio waves

Example Sentences