12th Class Physics Communication System / संचार तंत्र

  • question_answer 24)
      Would sky waves be suitable for transmission   of TV signals of 60 MHz frequency?

    Answer:

                      No, because the TV signal of frequency 60 MHz is greater than 40 MHz (i.e., the upper limit of signal frequency for sky wave propagation). Therefore, T.V. signal will not be reflected by the ionosphere but will penetrate through the ionosphere.


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