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Question
A ray of light travelling in air goes into water. The angle of refraction will be:
(a) 90°
(b) smaller than the angle of incidence
(c) equal to the angle of incidence
(d) greater than the angle of incidence
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Solution
smaller than the angle of incidence
Because when a light ray passes from a rarer medium to a denser medium, it bends towards the normal.
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