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find the index of refraction of an unknown liquid if a ray of light enters at an angle of 45 degrees and is refracted to 32 degrees. show explanation
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Added Fri, 07 Aug '15
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apply snells law na sinA = nb sin B

where A is angle of incidence, B is angle of Refraction

na and nb are refractive index

so nb = 1* sin 45/sin 32

nb = 1.33 so the liquid is water
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Added Fri, 07 Aug '15
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