What causes refraction of light rays? Please help, Thanks.

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What causes refraction of light rays?

Please help, Thanks.

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Cherry 2 days 2021-07-22T16:28:08+00:00 1 Answers 0 views 0

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    2021-07-22T16:29:59+00:00

    Light refracts whenever it travels at an angle into a substance with a different refractive index (optical density). This change of direction is caused by a change in speed. … When light travels from air into water, it slows down, causing it to change direction slightly. This change of direction is called refraction.

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