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.

Three waves A, B and C of frequencies 1600 kHz, 5 MHz and 60 MHz, resp

1.	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.
Answer» (b) A is transmitted via ground wave, B via sky wave and C via space wave.