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electromagnetic radiation spectrum

Definition

electromagnetic radiation spectrum

The electromagnetic radiation spectrum is the complete range of the wavelengths of electromagnetic radiation, beginning with the longest radio waves (including those in the audio range) and extending through visible light (a very small part of the spectrum) all the way to the extremely short gamma rays that are a product of radioactive atoms.

Electromagnetic radiation results from the physics of the electromagnetic field.

Related glossary terms: Ohm's Law, reboot (warm boot, cold boot), self-destructing email, shared memory, electron, L1 and L2, permittivity (electric permittivity), cardinality, angular velocity (rotational velocity), SKU (stockkeeping unit)

This was last updated in March 2010

Posted by: Margaret Rouse

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- # The U.S. Federal Standard Glossary of Telecommunication Terms includes an "official" view of the electromagnetic radiation spectrum . It's based on the ITU-TS view.

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