the speed of light in vacuum is 3 * 10 to the power 8 metre per second and the refractive index of diamond is 2.42 with respect to vacuum find the speed of light in diamond
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Refractive index of a medium = Speed of light in vacuum/Speed of light in a medium
1.5 = 3 x 108 / Speed of light in medium
Speed of light in the medium = 3 x 108 /1.5
= 2 x 108 m/s.
1.5 = 3 x 108 / Speed of light in medium
Speed of light in the medium = 3 x 108 /1.5
= 2 x 108 m/s.
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refractive index=speed of light in vaccum/speed of light in medium(let x)
2.42=3×10^8/x
x=3×10^8/2.42
x=2×10^8
2.42=3×10^8/x
x=3×10^8/2.42
x=2×10^8
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