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A ray of light enters a diamond from air. If the refractive index of diamond is 2.42, by what per cent does the speed of light reduce on entering the diamond? don't spam for points |
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Answer» on✯A RAY of light enters a diamond from air. If the refractive index of diamond is 2.42, by what per CENT does the speed of light reduce on ENTERING the diamond?✦Answer✦We know, N = C ÷ v ⋆Refractive Index⋆c is speed of light in vacuumv is speed of light in diamondn is refractive indexv = c ÷ nc ÷ 2.42 = 0.41c✬The speed of light in diamond is therefore 41% of the speed in air or in diamond, the speed reduces by 59% |
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