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Concept information

Terme préférentiel

Photons  

Type

  • mesh:Descriptor

Définition

  • Discrete concentrations of energy, apparently massless elementary particles, that move at the speed of light. They are the unit or quantum of electromagnetic radiation. Photons are emitted when electrons move from one energy state to another. (From Hawley's Condensed Chemical Dictionary, 11th ed)

Concept générique

Traductions

URI

http://data.loterre.fr/ark:/67375/JVR-W1TBC07S-N

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RDF/XML TURTLE JSON-LD Date de création 04/06/1993, dernière modification le 24/06/2011