Q. Height $h$ of transmitter antenna when $R$ is radius of earth to have range $d$ is
A) $d^{2}/2R$
B) $\sqrt{2dR}$
C) $2d^{2}/R$
D) $2R^{2}/d$
Explanation
(a) $d = \sqrt{2hR}\ or\ h = d^{2}/2R$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.