The refractive index of diamond is 2.42. What does this statement mean?

Discussion in 'CBSE Class 10 Physics Help' started by Vinila Choudary, Jan 19, 2012.

  1. Vinila Choudary

    Vinila Choudary Active Member

    The refractive index of diamond is 2.42. This means that the speed of light in diamond will reduce by a factor of 2.42 as compared to its speed in air.

    In other words, the speed of light in diamond is 1/2.42 times the speed of light in vacuum.

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