Sound waves

IB Physics: Sound waves

Could look at the different ways of measuring the speed of sound. If you have stereo microphones you could measure the time delay with audacity. Advances in technology lead to improved measurement.Lots of possible demonstrations here. I like to start by looking at the PhET gases simulation to show that a sound wave isn"t the vibration of molecules but the change of pressure. We"ve done gasses so students know there are...

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