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in Physics by (52.3k points)

Which of the following frequencies will be suitable for beyond the horizon communication using sky waves?
(a) 10 kHz
(b) 10 MHz
(c) 1 GHz
(d) 1000 GHz

1 Answer

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by (53.2k points)
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Best answer

At frequencies above 40 MHz, the communication is limited to line of sight paths. Hence, the options (a) and (b) are correct.

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