Skip to content
    Physics A-Level

    Quantisation of energy

    What Quantisation of energy means in Physics A-Level, as defined for AQA, OCR.

    Definitions of Quantisation of energy

    Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.

    Check what you remember

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

    Reference: AQA

    Energy is emitted or absorbed in discrete quanta, with energy E = hf, which suppresses high-frequency emission and matches the observed black-body spectrum.
    AQA · The discovery of photoelectricity (A-level only) (study guide)
    Energy can only be transferred in whole multiples of hf.
    OCR · Photons (study guide)

    Topics that use Quantisation of energy

    Related terms

    Using Quantisation of energy 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