Identify the polarisation of the wave given that, Ex = 2 cos wt and Ey = cos wt.(a) Elliptical(b) Circular(c) Parallel(d) LinearThe question was asked in an international level competition.I need to ask this question from Types of Polarization topic in chapter EM Wave Propagation of Electromagnetic Theory

Identify the polarisation of the wave given that, Ex = 2 cos wt and Ey

1.	Identify the polarisation of the wave given that, Ex = 2 cos wt and Ey = cos wt.(a) Elliptical(b) Circular(c) Parallel(d) LinearThe question was asked in an international level competition.I need to ask this question from Types of Polarization topic in chapter EM Wave Propagation of Electromagnetic Theory
Answer» The correct option is (d) Linear For explanation: The magnitude of the Ex and Ey COMPONENTS are not the same. THUS it cannot be CIRCULAR polarisation. For a phase DIFFERENCE of 0, the polarisation is linear. In other words, the waves are in phase. Thus the polarisation is linear.

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