Skip to content
    Physics A-Level

    Random and spontaneous decay

    What Random and spontaneous decay means in Physics A-Level, as defined for OCR.

    Definition of Random and spontaneous decay

    Check what you remember

    Read the wording for your board, then hide it and explain Random and spontaneous decay in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: OCR

    Radioactive decay is random and spontaneous, so a single nucleus's fate cannot be predicted, yet large samples show exponential decay.
    OCR · Radioactivity (study guide)

    Topics that use Random and spontaneous decay

    Related terms

    Using Random and spontaneous decay in the exam

    Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.

    Practise Physics questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    All Physics A-Level terms