# The velocity of light in vaccum is 3,00,000 km/sec and in diamond the velocity of light is 1,24,000 km/sec then find the refractive index of diamond

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2015-10-27T07:50:37+05:30

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Refractive index=speed of light in medium /speed of light in vacuum

so answr=124000/300000=0.41
2015-10-27T08:31:43+05:30

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Refractive index = Velocity of light in medium / Velocity of light in Vaccum = 124000/300000 = 0.413