the speed of the light in a diamond 1,24,000 km/s. find the refractive index of diamond if the speed of light in air is 3,00,000 km/s.
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Refractive Index(n) = c/v
n = 300000/124000
n = 2.419 ~ 2.42
NOTE:- We do not need to convert speed to m/s as refractive index is a ratio of similar quantities, therefore, it has no unit
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Question
the speed of the light in a diamond 1,24,000 km/s. find the refractive index of diamond if the speed of light in air is 3,00,000 km/s.
answer
divide the speed of light of diamond and speed of light of air
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