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The refractive index of diamond is 2.47 and that of glass is 1.51. How much faster does light travel in glass thanin diamond?2. |
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Answer» Given: The refractive index of diamond, μ = 2.47 ----------------------(1) that of glass, μ' = 1.51 -----------------------(2) Asrefractive index = c/v c be the velocity of light in vacuum while v is the velocity of light in that medium Taking the ratio: μ/μ' = v'/v = 2.47/1.51 = 1.636 => v' = 1.636 times v ie velocity in glass medium = 1.636 times the velocity of the light in diamond |
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