The Cauchy’s dispersion formula is

Options

A. `n = A + B lambda^(-1) + C lambda^(-4)`
B. `n = A + B lambda^(2) + C lambda^(-6)`
C. `n = A + B lambda^(-2) + C lambda^(4)`
D. `n = A + B lambda^(2) + C lambda^(4)`

Answer

A

Explanation

n = A `+ (B)/(lambda^(2)) + (C )/(lambda^(4))`.