Sarthaks Test
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A ray of light travelling in air enters obliquely into water. Does the light ray bend towards the normal or away from the normal? Why?

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1 Answer

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The light ray bends towards the normal. When a ray of light travels from an optically rarer medium to an optically denser medium, it gets bent towards the normal. Since water is optically denser than air, a ray of light travelling from air into the water will bend towards the normal.

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