Speed of light/Definition

From Citizendium
< Speed of light
Revision as of 18:57, 27 March 2011 by imported>John R. Brews (Rewrite definition)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search
This article is developing and not approved.
Main Article
Discussion
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
 
A definition or brief description of Speed of light.

A physical constant c describing the speed of electromagnetic radiation in vacuum. In the International System of Units the metre is the distance light travels in classical vacuum in 1/c seconds, using the defined value c = c0299  792  458 m/s (exact).