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  • Sound travels as a wave, producing vibration diagram
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 16 August 2021 Size: 240 KB Referencing Hub media

    The variation in pressure caused by an object’s vibrations push against the surrounding substance – air, for example, and sets up vibrations in the substance – called sound waves. Sound needs a substance to travel through – it cannot travel through a vacuum.

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