why does refraction takes place
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Refraction is an effect that occurs when a light wave, incident at an angle away from the normal, passes a boundary from one medium into another in which there is a change in velocity of the light. ... Since the light speed changes at the interface, the wavelength of the light must change, too.
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Refraction is an effect thatoccurs when a light wave, incident at an angle away from the normal, passes a boundary from one medium into another in which there is a change in velocity of the light. ... Since the light speed changes at the interface, the wavelength of the light must change, too.
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