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    Physics GCSE

    source and absorber

    What source and absorber means in Physics GCSE, as defined for AQA, OCR.

    Definitions of source and absorber

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    Reference: AQA

    Energy leaves a source, travels as a wave with nothing material moving between them, and is transferred to a store in the absorber.
    AQA · Types of electromagnetic waves (study guide)
    The place the wave transfers energy from and the place it transfers energy to, such as the Sun and your skin.
    AQA · Types of electromagnetic waves (study guide)
    The source emits the wave, the wave travels through a vacuum or a medium, and the absorber gains the energy.
    OCR · The electromagnetic spectrum (study guide)

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