Q. Television signals reach us only through the ground waves. The range $R$ related with the transmitter height $h$ is in proportion to
A) $h$
B) $h^{1/2}$
C) $h^{- 1/2}$
D) $h^{- 1}$
Explanation
(b) Range, $R = \sqrt{2hr}$ where $r$ is the radius of earth so $R \propto h^{1/2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.