Refractive index of diamond is 2.42. Calculate the speed of light in diamond.

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Solution

We know that refractive index,

n = $\frac{c}{v}$ = $\frac{s p e e d o f l i g h t i n v a c c u m}{s p e e d o f l i g h t i n d i a m o n d}$

2.42 = $\frac{3 \times 10^{8}}{v}$

v = 1.24 $\times$ $10^{8}$

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Refractive index of diamond is 2.42. Calculate the speed of light in diamond.

We know that refractive index, n = cv = speed of light in vaccumspeed of light in diamond 2.42 = 3× 108v v = 1.24 × 108

We know that refractive index,

n = $\frac{c}{v}$ = $\frac{s p e e d o f l i g h t i n v a c c u m}{s p e e d o f l i g h t i n d i a m o n d}$

2.42 = $\frac{3 \times 10^{8}}{v}$

v = 1.24 $\times$ $10^{8}$