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  3. 12th Class
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  5. Communication System / संचार तंत्र

12th Class Physics Communication System / संचार तंत्र

  • question_answer 2)
    Frequencies in the UHF range normally propagate by means of (a) ground waves (b) sky waves (c) surface waves (d) space waves.  

    Answer:

    (d) space waves. 


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