Question

Television signals on earth cannot be received at distance greater than $100km$ 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 $100km$.
• B. The TV program consists of both audio and video signals.
• C. The TV signal are less powerful than radio signals.
• D. The surface of earth is curved like a sphere.

Answer 1

Answer: (D)

The surface of earth is curved like a sphere.

Television signals on earth cannot be received at distance greater than 100 km from the transmission station. The reason behind this is that the surface of Earth is curved like a sphere.