Saved Bookmarks
| 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 appropriate mode of communication?A. A is transmitted via space wave while B and C are transmitted via sky spaceB. A is transmitted via ground wave, B via sky wave and C via space waveC. B and C are transmitted via ground wave while A is transmitted via sky waveD. B is transmitted via ground wave while A and C are transmitted vai space wave |
|
Answer» Correct Answer - B Mode of communication depends upon the frequency range. (b) is the correct choice. The frequency (A) of 1600 Hz is transmitted via ground wave, B(v= Hz) is transmitted via sky wave and C (v=60 MHz) is transmitted via space wave. |
|