EM wave propagation in free space and media
Electromagnetic Field Theory · Engineering
Transverse wave
Interactive 3DA travelling wave ribbon. Raise the amplitude to make it taller, the frequency to make it faster.
Controls
Drag the sliders or type a value — the simulation updates live.
m
0.1m1m
Hz
0.5Hz3Hz
Study notes
Radio 100MHz: wavelength 3m. In copper, skin depth tiny: current on surface (hollow conductors ok). Glass: light slows (n=1.5), bends (Snell). Polarized sunglasses block glare (one E direction).