Question

The speed of light in diamond is 125000 km/s .what is its refractive index? ​

Answer 1

GIVEN

Speed of light in diamond = 1.25×10^8

m/ sec

speed of light in air = 3×10^8 m/ sec

refractive index = ( speed of light in air ) / speed of light in diamond

= 3×10^8/1.25×10^8

= 2.4

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