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12th Class Physics Communication System / संचार तंत्र Question Bank Communication Systems Conceptual Problems

  • question_answer
    It is necessary to use satellites for long distance T.V. transmission. Why?

    Answer:

                    TV signals being of high frequency are not reflected by the ionosphere. Also, ground wave trans- mission is possible only up to a limited range. That is why satellites are used for long distance TV transmission.


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