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Through which mode of propagation, the radio waves propagate from transmitting to the receiving antenna ?CorrectIncorrect
The highest frequency of radiowaves which when sent at some angle towards the ionosphere gets reflected and returns to earth is called :CorrectIncorrect
What is the range of frequencies alloted to commercial FM radio broadcast ?CorrectIncorrect
On what factors does the maximum range of ground wave propagation depend ?CorrectIncorrect
When electromagnetic waves enter the ionised layer ionosphere, then the relative permittivity of the ionised layer :CorrectIncorrect
Which of the following statements is correct ?CorrectIncorrect
A geo-stationary satelhte is :CorrectIncorrect
Optical fibre communication is generally preferred over general communication system because :CorrectIncorrect
Which of the following statements is not correct in optical fibres ?CorrectIncorrect
The process of regaining of information from carrier wave at the receiver is termed as :CorrectIncorrect