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Refraction and Reflection
The refraction is described by Snell's law, which is given by:
Where we have:
: are the angle of incidence and refraction respectively, note the two angles are always the same.
: are the velocities of the wave from medium 1 to medium 2
: are the refractive indices
The ratio of the refractive indices can be determined by:
From medium 1 to medium 2.
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