Snell's law
= Snell's law
{c}
{wiki}
Snell's law follows from conservation of tangential wavenumber across a planar interface. If angles are measured from the interface normal, it reads $n_1\sin\theta_1=n_2\sin\theta_2$.
= Snell's law
{c}
{wiki}
Snell's law follows from conservation of tangential wavenumber across a planar interface. If angles are measured from the interface normal, it reads $n_1\sin\theta_1=n_2\sin\theta_2$.