how does refraction occur??
littlerose:
refraction occurs when a light ray passes from a rarer to denser medium or vice versa ...............
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When light travels from one transparent medium to another transparent medium it bends from its path which is called refraction.It occurs when light travels from a rarer medium to a denser medium.
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refraction occurs when a light ray passes from a rarer to denser medium or vice versa......
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