Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 8 (Q.No. 26)
26.
The electric field of uniform plane wave is given by E = 20 sin (2 p x 108t- pz) 
x + 20 cos (2 p x 108t - pz) y. The polarization of wave is
x + 20 cos (2 p x 108t - pz) y. The polarization of wave isAnswer: Option
Explanation:
The given two components are equal in amplitude, perpendicular and out of phase by 90°.
∴ The wave is circularly polarized.
Now we consider z = 0 and put t = 0 and 
∴ At t = 0, E = 10ay
At t 
∴ Left circularly polarized.
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