Consider the following statements:1. (Electric or magnetic) field must have two orthogonal linear components.2. The two components must have the same magnitude.3. The two components must have a time-phase difference of odd multiples of 90°Which of these are the necessary and sufficient conditions for a time-harmonic wave to be circularly polarized at a given point in space ?

Consider the following statements:1. (Electric or magnetic) field must

1.	Consider the following statements:1. (Electric or magnetic) field must have two orthogonal linear components.2. The two components must have the same magnitude.3. The two components must have a time-phase difference of odd multiples of 90°Which of these are the necessary and sufficient conditions for a time-harmonic wave to be circularly polarized at a given point in space ?
A.	1 and 2 only
B.	2 and 3 only
C.	1, 2 and 3
D.	1 and 3 only
Answer» D. 1 and 3 only

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