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Astro*Dictionary by Michael Erlewine





1 article for "Index of Refraction"

Index of Refraction [Astro*Index]

The ratio of the velocity of light in a vacuum to its velocity in a medium:
                            IR = vel. in vacuum / vel. in medium.

See also:
♦ Light, Velocity of


Astro*Index Copyright © 1997 Michael Erlewine