1.

In a wave, the path difference corresponding to a phase difference of f is                                           [MP PET 2000]

A. \[\frac{\pi }{2\lambda }\varphi \]
B. \[\frac{\pi }{\lambda }\varphi \]
C. \[\frac{\lambda }{2\pi }\varphi \]
D. \[\frac{\lambda }{\pi }\varphi \]
Answer» D. \[\frac{\lambda }{\pi }\varphi \]


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