what do you understand by refraction. explain in 2 lines.
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Answer:
refraction is 1line going into the lens
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Hey mate ,
Refraction is a phenomenon of bending if light when it travels from one media to another whose refractive indexes are different from each other .
for example , Bending of pencil when put in water .This happens due to difference in the speed of light in the 2 media !!
Hope you find it helpful!!
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