Difference between revisions of "Electromagnetic radiation"

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== Description ==
 
== Description ==
  
The entire spectrum of radiant energy or light. Electromagnetic radiation travels though space at the speed of light in the form of photons. Each photon is characterized by its specific frequency and wavelength. The highest energy photons have the shortest wavelengths. Some groups of electromagnetic radiation are (from high energy to low energy): cosmic rays, [http://cameo.mfa.org/materials/fullrecord.asp?name=gamma radiation gamma rays], [http://cameo.mfa.org/materials/fullrecord.asp?name=x-ray x-rays], [http://cameo.mfa.org/materials/fullrecord.asp?name=ultraviolet radiation ultraviolet radiation], [http://cameo.mfa.org/materials/fullrecord.asp?name=visible radiation visible radiation], [http://cameo.mfa.org/materials/fullrecord.asp?name=infrared radiation infrared radiation], [http://cameo.mfa.org/materials/fullrecord.asp?name=microwave microwaves], and [http://cameo.mfa.org/materials/fullrecord.asp?name=radio frequency radio waves]. The effects of radiation are measured in terms of its quality (wavelength distribution), quantity (intensity or energy) and duration (time).
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The entire spectrum of radiant energy or light. Electromagnetic radiation travels though space at the speed of light in the form of photons. Each photon is characterized by its specific frequency and wavelength. The highest energy photons have the shortest wavelengths. Some groups of electromagnetic radiation are (from high energy to low energy): cosmic rays, [http://cameo.mfa.org/materials/fullrecord.asp?name=gamma%20radiation gamma rays], [http://cameo.mfa.org/materials/fullrecord.asp?name=x-ray x-rays], [http://cameo.mfa.org/materials/fullrecord.asp?name=ultraviolet%20radiation ultraviolet radiation], [http://cameo.mfa.org/materials/fullrecord.asp?name=visible%20radiation visible radiation], [http://cameo.mfa.org/materials/fullrecord.asp?name=infrared%20radiation infrared radiation], [http://cameo.mfa.org/materials/fullrecord.asp?name=microwave microwaves], and [http://cameo.mfa.org/materials/fullrecord.asp?name=radio%20frequency radio waves]. The effects of radiation are measured in terms of its quality (wavelength distribution), quantity (intensity or energy) and duration (time).
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
electromagnetic spectrum; EMS; electromagnetic energy; electromagnetic waves; radiation; light; elektromagnetisk strling (Dan., Nor.); Elektromagnetische Wellen (Deut.); radiacin electromagntica (Esp.); rayonnement lectromagntique (Fr.); elektromagnetische straling (Ned.); Radiao electromagntica (Port.); elektromagnetisk strlning (Sven.)
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electromagnetic spectrum; EMS; electromagnetic energy; electromagnetic waves; radiation; light; elektromagnetisk stråling (Dan., Nor.); Elektromagnetische Wellen (Deut.); radiación electromagnética (Esp.); rayonnement électromagnétique (Fr.); elektromagnetische straling (Ned.); Radiação electromagnética (Port.); elektromagnetisk strålning (Sven.)
  
 
== Authority ==
 
== Authority ==
  
* Richard S. Lewis, Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
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* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
  
* ''Encyclopedia Britannica'', http://www.britannica.com  Comment: "Electromagnetic Radiation." Encyclopdia Britannica. 19 Aug. 2004  .
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* ''Encyclopedia Britannica'', http://www.britannica.com  Comment: "Electromagnetic Radiation." Encyclopædia Britannica. 19 Aug. 2004  .
  
* Thomas B. Brill, Thomas B. Brill, ''Light Its Interaction with Art and Antiquities'', Plenum Press, New York City, 1980
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* Thomas B. Brill, ''Light Its Interaction with Art and Antiquities'', Plenum Press, New York City, 1980
  
 
* Wikipedia, the free encyclopedia, at http://www.wikipedia.com  Comment: http://en.wikipedia.org/wiki/Electromagnetic_radiation (Accessed Sept. 20, 2005)
 
* Wikipedia, the free encyclopedia, at http://www.wikipedia.com  Comment: http://en.wikipedia.org/wiki/Electromagnetic_radiation (Accessed Sept. 20, 2005)

Revision as of 07:30, 24 July 2013

Electromagnetic radiation

Description

The entire spectrum of radiant energy or light. Electromagnetic radiation travels though space at the speed of light in the form of photons. Each photon is characterized by its specific frequency and wavelength. The highest energy photons have the shortest wavelengths. Some groups of electromagnetic radiation are (from high energy to low energy): cosmic rays, gamma rays, x-rays, ultraviolet radiation, visible radiation, infrared radiation, microwaves, and radio waves. The effects of radiation are measured in terms of its quality (wavelength distribution), quantity (intensity or energy) and duration (time).

Synonyms and Related Terms

electromagnetic spectrum; EMS; electromagnetic energy; electromagnetic waves; radiation; light; elektromagnetisk stråling (Dan., Nor.); Elektromagnetische Wellen (Deut.); radiación electromagnética (Esp.); rayonnement électromagnétique (Fr.); elektromagnetische straling (Ned.); Radiação electromagnética (Port.); elektromagnetisk strålning (Sven.)

Authority

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Encyclopedia Britannica, http://www.britannica.com Comment: "Electromagnetic Radiation." Encyclopædia Britannica. 19 Aug. 2004 .
  • Thomas B. Brill, Light Its Interaction with Art and Antiquities, Plenum Press, New York City, 1980
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998

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