Prove that Refractie index=real depth /apparent depth

Q.

Prove that

Refractive index = $\frac{realdepth}{apparentdepth}$

Q.

The relation between refractive index of a medium, real depth and apparent depth is

Q. Proove $Refractiveindex=\frac{realdepth}{apparentdepth}$.

Q. Refractive Index of a medium = $\frac{Realdepth}{Apparentdepth}$

Q. Refractive index can be calculated as the ratio of real depth to apparent depth.