question no 2 please solve kr do koi
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a:- light is reflected when it crosses the interference from air into glass in which it moves more slowly.since the light speed changes at the interference.wavelength of light must change and decrease and light wave change direction.
(b):-light ray bends towards normal when it enters into water because,water is denser medium than water.
(c):-light ray go away from normal when it enters into air from water because,air is rarer medium than water.
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if it helps then please mark me as brainliest...!!
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