Optical Density, n, and Light Speed Video Tutorial

The Optical Density, n, and Light Speed Video Tutorial discusses the relationship and logic that relate the optical density of a material to the speed of light in that material and to the index of refraction of the material. The video lesson answers the following question:

  1. How are the optical density of a material, the index of refraction of a material, and the speed of light in the material related?
 

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