Question

The refractive index of diamond is 2.42 and glass is 1.51.How much faster does light travel in glass than in diamond

Answer 1

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c= speed of light in air/vacuum.

(Speed of light in glass)/(Speed of light in diamond) = (c/1.51)/(c/2.42) = (2.42/1.51) = 1.602.

Light travels 1.602 times faster in glass than in diamond.

Answer 2

Answer:

The refractive index of diamond is 2.47 and that of glass is 1.51. How much faster does light travel in glass than in diamond ? Solution : vgvd=ndng=2.471.51=1.635, Hence light travels in diamond 1.635 times faster than in glass.

Explanation:

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