1.

Q.1In the curve (sce figure)haif tevenghisA B(1)AB2)BDE)DE(4AE

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(2) BDBD = BC + CDBC and CD are quarter of a wavelength and they add to half of a wavelength.AC and CE is half wavelength. But they are not given in the options. One wavelength is AE.AB and DE is quarter of wavelength.



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