Four waves A, B, C, D of frequencies 6 MHz. 8 MHz, 10 MHz and 4 MHz respectivel
Channel: Doubtnut
Date: 2020-05-24

Four waves A, B, C, D of frequencies 6 MHz. 8 MHz, 10 MHz and 4 MHz respectively are beamed in the same direction, 10 communicate via sky waves. Which one of these is likely 10 travel the longest distance in the ionosphere before suffering total internal reflection ?