Question

1. The electric field of an electromagnetic wave propagating in the negative ( x )-direction is of the form: [ vec{E}(x, t)=vec{u}_{y} E_{0} cos left(omega t+k x+frac{pi}{2} ight)+vec{u}_{z} E_{0} cos (omega t+k x) ] a) Sketch the electric field components and their resultant at ( t_{1}=0 ) and ( t_{2}=frac{pi}{2 omega} ). b) Find the state of polarization of this wave.

          1. The electric field of an electromagnetic wave propagating in the negative ( x )-direction is of the form:
[
vec{E}(x, t)=vec{u}_{y} E_{0} cos left(omega t+k x+frac{pi}{2}
ight)+vec{u}_{z} E_{0} cos (omega t+k x)
]
a) Sketch the electric field components and their resultant at ( t_{1}=0 ) and ( t_{2}=frac{pi}{2 omega} ).
b) Find the state of polarization of this wave.

$1. The electric field of an electromagnetic wave propagating in the negative ( x )-direction is of the form: [ vecE(x, t)=vecuy E0 cos left(omega t+k x+fracpi2 ight)+vecuz E0 cos (omega t+k x) ] a) Sketch the electric field components and their resultant at ( t1=0 ) and ( t2=fracpi2 omega ). b) Find the state of polarization of this wave.$

Added by Gabriel R.

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