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Ray of light is moving from glass to WATER, velocity of light
…increases
…Smaller than angle of incidence
…decreases
…remains same
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decreases since water is rarer medium than glass
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When light rays travel from optically rarer medium to denser medium then they bend towards normal. In this case angle of refraction is smaller than angel of incidence. ... This is because the speed of light rays decrease while travelling from air into glass or water.
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