Answer to Question #152726 in Optics for Viccy

Question

What is snell law.

Answer 1

Snell's law determines the direction of propagation of a ray of light that falls on the interface between two different isotropic media

$\frac{\sin\alpha_2}{\sin\alpha_1}=\frac{v_2}{v_1}=\frac{n_1}{n_2}$.