Refraction Of Light Video Lessons

Concept

# Problem: How does the average speed of light in glass compared with its speed in a vacuum?

###### FREE Expert Solution

The speed of light in a medium is given by:

$\overline{){\mathbf{v}}{\mathbf{=}}\frac{\mathbf{c}}{\mathbf{n}}}$, where c is the speed of light in a vacuum and n is the refractive index.

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###### Problem Details

How does the average speed of light in glass compared with its speed in a vacuum?