Q. The refractive index of diamond is 2.42. What is the meaning of this statement?
The diamond with refractive index of 2.42, is the most ‘optically denser medium’ and there for the speed of light in diamond will be less i.e. 1.23 × 108ms−1 (= 3 × 108 ms−1/2.42 ) compare to speed of light in vacuum C = 3 × 108 m s– 1
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