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    Physics A-Level

    Exponential decay of undecayed nuclei

    What Exponential decay of undecayed nuclei means in Physics A-Level, as defined for OCR.

    Definition of Exponential decay of undecayed nuclei

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    Reference: OCR

    The equation N = N₀e^(−λt) relates the number of undecayed nuclei at time t to the initial number.
    OCR · Radioactivity (study guide)

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