Optional Practical: Drinking straw waves

IB Physics: Optional Practical: Drinking straw waves

In this experiment the programme “Audacity” will be used to measure the frequency of the standing wave produced when air is blown through a drinking straw. The data collected will then be processed in excel and a graph plotted such that the velocity of sound can be found.The normal way to make a drinking straw instrument is to cut a flattened end into a point. When blown through the points vibrate like the reed of...


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