Skip to content
    Physics A-Level

    Comet

    What Comet means in Physics A-Level, as defined for OCR.

    Definition of Comet

    Check what you remember

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

    Reference: OCR

    A small icy body, often on a highly eccentric orbit, that develops a coma and tail when heated near the Sun.
    OCR · Stars (study guide)

    Topics that use Comet

    Related terms

    Using Comet 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