# Which of the following diagrams represent the veriation of electric field vector with time for a circularly polarised light

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Which of the following diagrams represent the veriation of electric field vector with time for a circularly polarised light
A.
B.
C.
D.

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For circularly polarised light, E_(y)=A sin omega t,
E_(z)=A cos omegat, |vec(E)|=Asqrt(2)= constant