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A: It is necessary for transmitting ante...

`A`: It is necessary for transmitting antenna must be at same height as that of receiving antenna for line of sight communition. `B`: `EM` waves of frequency beyond `40 MHz`, propagate as space waves.

A

both `A`and `B` are correct

B

both `A` and `B` are wrong

C

only `A` is correct

D

only `B` is correct

Text Solution

Verified by Experts

The correct Answer is:
D
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