1. Vector of the electric field is given by E = Vectors E and k lie in the X-2 plane.
(a) Write down the expressions for all projections of electric and magnetic fields as functions of
variables x.y.z. and / and parameters Eo. (i), kx. and kin if this wave is propagating in vacuum;
(b) Determine the spatial periods 2x and is in the medium with permittivity E and permeability u.
if the angle between k and z-axis, 0, is given.
4. Suzanne observes two light pulses to be emitted from the same location, but separated in time
by 3 us. Mark observes the emission of the same two pulses to be separated in time by 9 us. (a)
How fast is Mark moving with respect to Suzanne? (b) According to Mark, what is the
separation in space of the two pulses?
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