Three waves `A`, `B` and `C` of frequencies `1600kHz`, `5MHz` and `60 MHz`,
Channel: Doubtnut
Date: 12/04/2020

Three waves `A`, `B` and `C` of frequencies `1600kHz`, `5MHz` and `60 MHz`, respectively are to be transmitted from one place to another. Which of the following is the most appropriate mode of communications: