There is a destructive interference between the two waves of wavelengt – McqOptions

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1.	There is a destructive interference between the two waves of wavelength l coming from two different paths at a point. To get maximum sound or constructive interference at that point, the path of one wave is to be increased by [MP PET 1985]
A.	\[\frac{\lambda }{4}\]
B.	\[\frac{\lambda }{2}\]
C.	\[\frac{3\lambda }{4}\]
D.	\[\lambda \]
Answer» C. \[\frac{3\lambda }{4}\]

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