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Mr. Dubey • 56.32K Points
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Q. Mechanism contributing to a reduction in efficiency is called as

(A) amplitude tapering
(B) blockage
(C) edge diffraction
(D) all of the mentioned
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Explanation by: Mr. Dubey 
 mechanism contributing to a reduction in efficiency is called as amplitude tapering, spillover, edge diffraction, blockage, scattering, re-radiation and dissipative loss.

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