Physics, Science, Electrodynamics, Electromagnetic Waves, STEM.
happens when a wave traverses across the boundary of two media? Its speed changes, which is balanced by a change in the wavelength. The frequency, however, remains constant. Thus, we can relate the magnitude of the wavevectors of each of the three waves. Indeed, kᵢv₁ = kᵣv₁ = kₜv₂ = ω. Thus, kᵢ =