Question

a ray of light travelling in air enters obliquely into the water. Does the light ray bend towards the normal or away from the normal? why​

Answer 1

Explanation:

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Answer 2

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The light ray bends towards the normal. When a light ray enters from an optically rarer medium (which has low refractive index) to an optically denser medium (which has a high refractive index), its speed slows down and bends towards the normal. As water is optically denser than air, a ray of light entering from air into water will bend towards the normal.

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