Skip to content
    Physics A-Level

    Proper time

    What Proper time means in Physics A-Level, as defined for AQA.

    Definition of Proper time

    Check what you remember

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

    Reference: AQA

    The time interval measured by an observer who sees two events occur at the same place, recorded by a single clock at rest relative to those events.
    AQA · Time dilation (A-level only) (study guide)

    Topics that use Proper time

    Related terms

    Using Proper time 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