explain refractive index?
Asked by Subham Singhal | 10th Nov, 2013, 09:57: PM
Refractive index of a medium is defined as the ratio of speed of light in vacuum to the speed of light in the medium. A medium with higher value of refractive index is said to be optically denser compared to a medium with lower value of refractive index.
Answered by | 10th Nov, 2013, 10:02: PM
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