1.

(1) The speed oflight in a transparent mediumis 2.4 x 10^8 m/s. Calculate the absolute refractiveindex of the medium.

Answer»

Refractive index of a medium = Speed of light in vacuum/Speed of light in a medium

= 3 x 10^8/2.4×10^8= 3 x 10^8/2.4×10^8= 1.25



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