In optics, given the below formula(adsbygoogle = window.adsbygoogle || []).push({});

n_{λ}= A + B/λ^{2}+ C/λ^{4}+......

where A, B and C are constants.

From the above relationship we can deduce that as the wavelength λ increases, the variation of refractive index n_{λ}decreases.

How do we measure the constant value of A,B and C at the first place?

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# Value of the constant in 'variation of refractive index'

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