JEE Main 20198 Apr, Evening shiftPhysicsEasyCommunication Systems79× since 2003
In a line of sight radio communication, a
distance of about 50 km is kept between the
transmitting and receiving antennas. If the
height of the receiving antenna is 70m, then the
minimum height of the transmitting antenna
should be :
(Radius of the Earth = 6.4 × 10⁶ m).