Skip to content
    Physics A-Level

    Thin lens equation

    What Thin lens equation means in Physics A-Level, as defined for AQA.

    Definition of Thin lens equation

    Check what you remember

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

    Reference: AQA

    1/f = 1/u + 1/v, used with v fixed near 2.5 cm to show how f must change as u changes.
    AQA · Physics of vision (A-level only) (study guide)

    Topics that use Thin lens equation

    Related terms

    Using Thin lens equation 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