Skip to content
    Physics A-Level

    Measurement of wavelength

    What Measurement of wavelength means in Physics A-Level, as defined for AQA.

    Definition of Measurement of wavelength

    Check what you remember

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

    Reference: AQA

    Using the grating equation d sinθ = nλ, since the angle depends on wavelength, to measure wavelength accurately.
    AQA · Diffraction (study guide)

    Topics that use Measurement of wavelength

    Related terms

    Using Measurement of wavelength 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