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Refraction produces rainbows and a similar effect in a prism. It is also the principle used in eyeglasses and the refracting telescope.
'''Refraction''' is the change in direction of [[light]] when moving from one medium to another. The amount that the direction changes when moving between the two media is determined by [[Snell's Law]].
'''Refraction''' is the change in direction of [[light]] when moving from one medium to another. Refraction produces [[rainbow]]s and a similar effect in a [[prism]]. It is also the principle used in [[eyeglasses]] and the refracting [[telescope]].
The amount that the direction changes when moving between the two media is determined by [[Snell's Law]].
[[category:physics]]
[[category:physics]]