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Discussion :: Electromagnetic Field Thoery

  1. The term critical frequency denotes

  2. A.
    the lowest frequency that is reflected by the ionosphere
    B.
    the highest frequency that is reflected by the ionosphere at vertical distance
    C.
    the lowest frequency by which communication is possible between two given points
    D.
    none of the above

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    Answer : Option B

    Explanation :

    No answer description available for this question.


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