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The radiated beam from a parabolic “dish” transmitting antenna is ________(a) dispersed(b) refracted(c) collimated(d) scatteredThis question was addressed to me during an interview.Origin of the question is Asynchronous TDM in division Multiplexing & Sampling of Bandpass Signal of Analog Communications

Answer»

Correct OPTION is (C) collimated

The explanation: The radiated BEAM from a PARABOLIC “dish” transmitting antenna is collimated. Collimated light is that light whose rays are parallel due to which it disperse minimally as it PROPAGATES.



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