Difference between revisions of "Point source"
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Latest revision as of 23:58, 24 February 2009
1-1-165
Source of radiation, the dimensions of which are small enough, compared with the distance between source and receptor, for them to be neglected in calculations.
Reference: C.I.E.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)