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A transmitting antenna is at a height of...

A transmitting antenna is at a height of `40 m` and the receiving antenna is at a height of `60 m`.The maximum distance between them for satisfactory communication is nearly

A

`22.5 km`

B

`27.5 km`

C

`50 km`

D

`25 km`

Text Solution

Verified by Experts

The correct Answer is:
C
distance between transmitter and reciever is `s=sqrt(2Rh_(T))+sqrt(2Rh_(R))`
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