Friday, 15 May 2015

Q60,paper3 ,J 12.Radio signals generally propagate according to the following mechanisms:


Options (A) Modulation, Amplification,Scattering
(B) Reflection, Diffraction, Scattering
(C) Amplification, Diffraction,Modulation
(D) Reflection, Amplification,Diffraction
Answer (B)
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