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NEET Sample Paper NEET Sample Test Paper-81

  • question_answer
    Three waves A, B and C of frequency 1600 kHz, 5 MHz and 60 MHz, respectively are to be transmitted from one place to another. Which of the following mode is the most appropriate mode of communication?

    A)  A is transmitted via space wave while B and C are transmitted via sky wave

    B)  A is transmitted via ground wave, B via sky wave and C via space wave

    C)  B and C are transmitted via ground wave while A is transmitted via sky wave

    D)  B is transmitted via ground wave while A and C are transmitted via space wave

    Correct Answer: B

    Solution :

    For ground wave propagation \[\to \] frequency range (530 kHz to 1710 kHz) For sky wave propagation \[\to \] frequency range (1710 kHz to 40 MHz) For space wave propagation \[\to \] frequency range (54 MHz to 4.2 GHz)


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