Radiant energy

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The intensity of a beam of radiation. In its simplest form, radiant energy is used synonymously with the word light. Radiant energy is measured as the number of photons passing through an imaginary plane held perpendicular to the beam. The effects of light are measured in terms of its quality (color), quantity (energy) and duration (time).

Synonyms and Related Terms

radiant power; light; radiation

Resources and Citations

  • ASTM, Standard Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials, Annual Book of ASTM Standards, Section 14, General Methods and Instrumentation, ASTM, G113, 1371-1373, Sep-94
  • Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
  • AMOL reCollections Glossary -http://amol .org.au/recollections/7/c/htm

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