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# $UHF$ range if electromagnetic waves can be propagated by means of

$\begin {array} {1 1} (a)\;ground \: waves & \quad (b)\;sky\: waves \\ (c)\;surface\: waves & \quad (d)\;space\: waves \end {array}$

Can you answer this question?

Ans : (b)
sky waves
answered Feb 26, 2014