Refraction
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General Description
Refraction is the word used to describe the phenomenon of a change in the direction an electromagnetic wave travels in.[1] Electromagnetic radiation (which includes light) is observed to change direction when it's velocity changes. How much the velocity differs from the velocity in a vacuum is commonly called the refractive index. This property of a medium has a few different names.
| NAME |
|---|
| Index of Refraction |
| Refractive Index |
| Optical Density |
| Relative permittivity and permeability |
The absolute refractive index of a medium is not a fixed value. It is dependant on the wavelength of the e
