Q2 of 29 Page 109

The speed of the light in a diamond is 1,24,000 km/s. Find the refractive index of diamond if the speed of light in air 3.00,000 km/s. is (AS I)

Refractive index of diamond (n) =

Given;


Speed of light in air = 3.00,000 km/s.


Speed of light in diamond = 1,24,000 km/s.


⇒ n =


⇒ n = 2.42


Hence refractive index of diamond is 2.42.


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