A) \[\frac{\lambda }{2}\frac{T}{2}\pi \]
B) \[\lambda ,T,\pi \]
C) \[\frac{\lambda }{2}\frac{T}{2}\frac{\pi }{2}\]
D) \[\frac{\lambda }{2}\frac{T}{2}2\pi \]
Correct Answer: A
Solution :
Phase difference between two consecutive half period zones \[=\pi \] Path difference \[\lambda /2\], time difference \[=\frac{T}{2}\]
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