Physics - Geometrical Optics Question with Solution | TestHub

Refractive indices of a medium in $\mathrm{x}-\mathrm{y}$ coordinate system as shown are $\mu =\frac{2}{1+{\mathrm{y}}^2}$ for $\mathrm{y}>0$ and $\mu =\frac{4}{3}$ for $\mathrm{y}<0$. A ray incidents on medium as shown then maximum y -coordinate of ray is :-