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    • Diagram showing standing waves in a trumpet and flute.
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 12 September 2019 Size: 170 KB Referencing Hub media

    A trumpet makes different notes by changing the length of the instrument using valves. The flute opens holes to make shorter standing waves.`

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      Sound – resonance

      A full-sized acoustic piano is able to play 88 distinct notes. When you press a key on the piano, a number of things happen inside the instrument. First, a damper is raised off the string ...

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