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    Physics A-Level

    Path difference and fringe formation

    What Path difference and fringe formation means in Physics A-Level, as defined for OCR.

    Definition of Path difference and fringe formation

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    Bright fringes occur where the path difference from the two slits is a whole number of wavelengths, and dark fringes where it is an odd number of half wavelengths.
    OCR · Superposition (study guide)

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