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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asked Jun 9, 2017 in Physics by Kundan kumar (49,132 points) 34 437 1371

1 Answer

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answered Jun 9, 2017 by Vikash Kumar (144,729 points) 8 11 26
selected Jun 10, 2017 by Kundan kumar
 
Best answer
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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