Refractive index ↩

Metadata

shorthands: {}
aliases: [Index of refraction, Refraction index]
status:
created: 2021-10-24 22:23:21
modified: 2022-01-10 04:13:04

Describes how fast light travels through a given material. Dimensionless number.

Where is the speed of light in vacuum and is the phase velocity of light in the medium.

It varies with wavelength this causes white light to split into constituent colors when refracted.

Examples