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Which of the following frequencies will ...

Which of the following frequencies will be suitable for beyond the horizon communication using sky waves?

A

10KHz

B

10MHz

C

1GHz

D

1000GHz

Text Solution

Verified by Experts

The correct Answer is:
B
10KHz cannot be radiated due to large antenna size, 1 GHz and will penetrate.
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NCERT FINGERTIPS-COMMUNITCATION SYSTEMS-Propagation Of Electromagnetic Waves
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