Question

what is the relation between wavelength and refractive index
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Answer 1

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The relation between wavelength and refractive index is:

Refractive index, n = fraccv

Where,

• c is the velocity of light in vacuum
• v is the velocity of light in a medium

We know that,

v = fλ

Where,

• f is the frequency
• λ is the wavelength

Substituting v in the refractive index, we get

n = fraccflambda

Therefore, it can be said that the refractive index is inversely proportional to the wavelength.

Hope it helps :)