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When does light refracts?

Updated: 9/17/2019
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Wiki User

11y ago

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Because when light enters a new substance, its speed changes. In order for the law demonstrated in the equation (frequency = speed/wavelength) to remain the same, the wavelength of the light particle/wave must shorten or lengthen. This change causes the wave to slightly refract to one side or the other.

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13y ago
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Q: When does light refracts?
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