Three waves A, B and C of frequencies 1600 kHz, 5 MHz and 60 MHz, respectively are to be transmitted from one place to another.
Three waves A, B and C of frequencies 1600 kHz, 5 MHz and 60 MHz, respectively are to be transmitted from one place to another. Which of the following 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.
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