3 A linearly polarised electromagnetic wave,
propagating in the z-direction with the oscillating electric field E
along the x-direction and the oscillating magnetic field B along
the y-direction Rationalised 2023-24
207
Electromagnetic
Waves
and w   is the angular frequency k is the magnitude of the wave vector (or
propagation vector) k and its direction describes the direction of
propagation of the wave The speed of propagation of the wave is (w/k)