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प्रश्न
In Young’s double-slit experiment, if there is no initial phase difference between the light from the two slits, a point on the screen corresponds to the 5th minimum. What is the path difference?
उत्तर
Path difference Δl = (2n - 1)`λ/2 = (2 xx 5 - 1)λ/2 = (9λ)/2`
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