Speed of light/Definition: Difference between revisions
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imported>Paul Wormer (New page: <noinclude>{{Subpages}}</noinclude> Is in vacuum c ≡ 299 792 458 m/s (exact).) |
imported>John R. Brews (Rewrite definition) |
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The speed of electromagnetic radiation, with a defined value in the [[International System of Units]] for propagation in the ideal reference medium of [[Free space|classical vacuum]] of c ≡ 299 792 458 m/s (exact). | |||
Revision as of 02:13, 9 March 2011
The speed of electromagnetic radiation, with a defined value in the International System of Units for propagation in the ideal reference medium of classical vacuum of c ≡ 299 792 458 m/s (exact).