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  1. Consider the following statements:
    For a square waveguide of cross-section 3m x 3m it has been found

    1. At 6 GHz dominant mode will propagate
    2. At 4 GHz only dominant modes and evanescent
    3. At 11 GHz all the modes and no higher order mode will propagate
    4. At 7 GHz degenerate modes will propagate
    Which of the above statements are correct?

    2. A.
    1 and 2 only
    B.
    1, 2 and 4
    C.
    2 and 3 only
    D.
    2, 3 and 4

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    Answer : Option A

    Explanation :

    No answer description available for this question.

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