15. ssm A beam of light is traveling in air and strikes a material. The angles of incidence and refraction are 63.0° and 47.0°, respectively. Obtain the speed of light in the material.

The speed of light in the material is found from

 

 

We find the index of refraction for the material from Snell’s law

 

 

Solving for the index of material,

 

 

 

 

 

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This page last updated on July 1, 2018