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The phase difference between two light waves reaching a point P is 100π. What their path difference is equal to? |
25λ 50λ 100λ 10λ |
50λ |
Use : Phase difference is : $\phi = \frac{2\pi}{\lambda} \Delta x$ $\Rightarrow \Delta x = \frac{\lambda}{2\pi} \phi = 50\lambda$ |
