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IEVref:705-02-01ID:
Language:enStatus: Standard
Term: electromagnetic radiation, <waves or photons>
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Definition: energy that emanates from a source in the form of electromagnetic waves or photons and is transferred through space

Note 1 to entry: The term “electromagnetic radiation” is also used for the phenomenon producing the electromagnetic waves or photons (see IEV 702-02-07).

Note 2 to entry: The physical concepts of photons and electromagnetic waves are used to describe the same phenomenon of transmission of radiant energy in different ways, depending on the nature of the interaction of the energy with the physical world (wave-particle dualism).

Note 3 to entry: The French term "radiation électromagnétique" applies preferably to a single element of any electromagnetic radiation, characterized by one frequency or by one wavelength in vacuum.


Publication date:2019-10
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Replaces:705-02-01:1995-09
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