When a ray of light changes media , it will refract (bend). With angles being measured from the normal, the amount of refraction can be found using Snell's Law . Traveling through any medium light will have a speed given by the equation shown where n represents the index of refraction and is the speed of light in a vacuum (3

When a ray of light changes media , it will refract (bend). With angles being measured from the normal, the amount of refraction can be found using Snell's Law . Traveling through any medium light will have a speed given by the equation shown where n represents the index of refraction and is the speed of light in a vacuum (3

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