Question:
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 skywave
(b) A is transmitted via ground wave, B via skywave and C via space wave
(c) B and C are transmitted via ground wave while A is transmitted via skywave
(d) B is transmitted via ground wave while A and C are transmitted via space wave
Solution:
(b) A is transmitted via ground wave, B via skywave and C via space wave