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Question
Among the following frequencies which one will be suitable for beyond-the horizon communication using sky waves ?
Among the following frequencies which one will be suitable for beyond-the horizon communication using sky waves ?
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Solution
The correct option is B 10 MHz
For sky waves the frequencies should not be higher than 40 MHz as these waves wont be reflected back. Lower frequencies cannot reach the upper part of the atmosphere. Thus out of these, 10MHz is suitable for sky wave communication.
For sky waves the frequencies should not be higher than 40 MHz as these waves wont be reflected back. Lower frequencies cannot reach the upper part of the atmosphere. Thus out of these, 10MHz is suitable for sky wave communication.
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