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    Physics A-Level

    Fringe spacing

    What Fringe spacing means in Physics A-Level, as defined for AQA, OCR.

    Definitions of Fringe spacing

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    Reference: AQA

    The spacing w between equally spaced fringes formed on a screen in Young's slit experiment, measured by recording the distance across several fringes and dividing by the number of fringe intervals.
    AQA · Interference (study guide)
    A quantity measured across several fringes and divided by the number of intervals, used with slit separation and slit-to-screen distance in the relationship λ = ax/D.
    OCR · Practical skills (study guide)

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