why the speed of light decreases as it passes from air into another substance?​

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why the speed of light decreases as it passes from air into another substance?​

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Vodka 1 year 2021-09-03T09:43:26+00:00 1 Answers 0 views 0

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  1. thucuc
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    2021-09-03T09:44:43+00:00
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    Answer:

    If light enters any substance with a higher refractive index (such as from air into glass) it slows down. The light bends towards the normal line. If light travels enters into a substance with a lower refractive index (such as from water into air) it speeds up. The light bends away from the normal line.

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