A) upto \[2\,MHz\]
B) from \[2\,MHz\] to \[20\,MHz\]
C) from \[2\,MHz\] to \[30\,MHz\]
D) from \[2\,MHz\] to \[50\,MHz\]
Correct Answer: C
Solution :
[c] The sky waves are the radio waves of frequency between \[2\text{ }MHz\] to\[30\text{ }MHz\]. These waves can propagate through atmosphere and are reflected back the ionosphere of earth's atmosphere.
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