Q. Television signals on earth cannot be received at distances greater than $100\ km$ from the transmission station. The reason behind this is that
A) The receiver antenna is unable to detect the signal at a distance greater than $100\ km$
B) The TV programme consists of both audio and video signals
C) The TV signals are less powerful than radio signals
D) The surface of earth is curved like a sphere
Explanation
The correct answer is Option D: The surface of earth is curved like a sphere.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.