question_answer

A transmitting antenna at the top of a tower has height 32 m and height of the receiving antenna is 50 m. What is the maximum distance between them for satisfactory communication in line of sight (LOS) mode?         [JEE ONLINE 09-04-2014]

A) 55.4 km

B) 45.5 km

C) 54.5 km

D) 455 km

Correct Answer: B

Solution :

[b] Given:

Maximum distance, dM= ?

Applying,