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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class12  >>  Communication Systems
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If an antenna radiates electromagnetic wave from a height of h the range of coverage d is given by where R is radius of earth

$\begin{array}{1 1}(a)\;\sqrt{Rh}\\(b)\;\sqrt{2Rh}\\(c)\;h\sqrt{2R}\\(d)\;R\sqrt{2h}\end{array}$

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