CUET Preparation Today
CUET
Physics
Ray Optics
How does refractive index ($μ$) of a material vary with respect to wavelength (λ)? A and B are constants
$μ = A + Bλ^2$
$μ = A +\frac{B}{λ^2}$
$μ = A + Bλ$
$μ = A +\frac{B}{λ}$
Cauchy's formula is $μ = A +\frac{B}{λ^2}$