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    Physics A-Level

    Lens power

    What Lens power means in Physics A-Level, as defined for AQA.

    Definition of Lens power

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    Reference: AQA

    The reciprocal of focal length in metres, P = 1/f, measured in dioptres (D).
    AQA · Defects of vision and their correction using lenses (A-level only) (study guide)

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