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4. If refracted light bends toward the normal (has a smaller e) has the light sped up or slowed down? (Remember that n,sin(0,
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Answer #1

If refracted light bends towards normal that means light speed has been slower down. We knew that if refracted light bends towards normal that means light is traveling from rarer to denser medium. So let n2 be the refractive index of denser medium and n1 be the refractive index of rarer medium. So ,We know n2>n1 and n=n2/n1 so n will be greater than 1. And v=c/n so speed of light in denser medium will reduced by n times .

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