Physics, Science, Electrodynamics, Electromagnetic Waves, STEM.
kᵣ = (v₂/v₁) kₜ = (n₁/n₂) kₜ. — (7) There is nothing interesting about that result. It is merely the relation between the incident and transmitted wavelengths. Naturally, the wavelength remains invariant during reflection. Next, we look at the boundary conditions. Now, regardless of what component