WHAT IS REFRACTIVE INDEX , not absolute refractive index or relative refractive index?

Asked by manas khare | 11th Feb, 2012, 04:01: PM

Expert Answer:

Absolute RI is the RI of the medium with respect to the vaccum and relative RI is is with respect to an y other medium.
 
RI  shows that in different medium light travells with different speeds.
 
Light travells with maximum speed in vaccum and that is 3x108 m/s.

Answered by  | 11th Feb, 2012, 06:24: PM

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