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    Physics A-Level

    Time dilation

    What Time dilation means in Physics A-Level, as defined for AQA.

    Definition of Time dilation

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    Reference: AQA

    A consequence of special relativity in which a moving clock runs slow relative to the observer, becoming significant only when v is an appreciable fraction of c.
    AQA · Time dilation (A-level only) (study guide)

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