The refracting index of diamond is 2-42 and the speed of light in air is 3- 108ms-1- Calculate the speed of light in diamond-

N=speed of light in #10;vacuum /speed of light in medium #10; #10;n=c/v #10; #10;2.42=3x10^8/speed of #10;light #10; #10;Speed of light =3x108/ ...

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Standard X

Physics

Total Internal Reflection

The refractin...

Question

The refracting index of diamond is 2.42 and the speed of light in air is $3 \times 10^{8} m s^{- 1}$ . Calculate the speed of light in diamond.

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Solution

n=speed of light in vacuum /speed of light in medium

n=c/v

2.42=3x10^8/speed of light

Speed of light =3x10⁸/2.42

=1.25x10⁸ m/s

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The refracting index of diamond is 2.42 and the speed of light in air is 3×108ms−1. Calculate the speed of light in diamond.

n=speed of light in vacuum /speed of light in medium n=c/v 2.42=3x10^8/speed of light Speed of light =3x108/2.42 =1.25x108 m/s

The refracting index of diamond is 2.42 and the speed of light in air is $3 \times 10^{8} m s^{- 1}$ . Calculate the speed of light in diamond.

n=speed of light in vacuum /speed of light in medium

n=c/v

2.42=3x10^8/speed of light

Speed of light =3x10⁸/2.42

=1.25x10⁸ m/s