Question
Which of the following frequencies will be suitable for beyond-thehorizon communication using sky waves?(a) $10 \mathrm{kHz}$(b) $10 \mathrm{MHz}$(c) $1 \mathrm{GHz}$(d) $1000 \mathrm{GHz}$
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Sky waves are radio waves that are reflected back to Earth from the ionosphere, an ionized layer of the Earth's atmosphere. Show more…
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Which of the following frequencies will be suitable for beyond the horizon communication using sky waves? [NCERT Exemplar] (a) $10 \mathrm{kHz}$ (b) $10 \mathrm{Mlk}$ (c) $1 \mathrm{GHz}$ (d) $1000 \mathrm{GHz}$
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