IEVref:845-01-19ID:
Language:enStatus: Obsolete
Term: point source
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Definition: source of radiation the dimensions of which are small enough, compared with the distance between the source and the irradiated surface, for them to be neglected in calculations and measurements

NOTE – A point source which emits uniformly in all directions is called an isotropic point source or uniform point source.


Publication date:1987
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