# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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