# The velocity of light in vaccum is 300000km/sec and in diamond the velocity of light is 124000km/sec then find the refractive index of diamond

2
by Jkgp

2015-10-24T14:33:02+05:30

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Refractive index=speed of light in vacuum/speed of light in any medium
= 300000/124000
=2.42(approx)
2015-10-24T14:35:35+05:30

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n=c/v
refractive index of diamond=speed of light in vaccum/speed of light in diamond
=300000/124000
=75/31
refractive index of diamond=75/31