Activity: Ultrasound

IB Physics: Activity: Ultrasound

The animation below shows what happens when a quartz crystal gets squashedThe green atoms are - oxygen ions and the red are + silicon.The next animation shows what happens if an electric field is applied to the crystal.Ultrasound imaging uses the same principle as echo sounding or sonar, used to measure the depth of the sea or locate fish and submarines by measuring the time taken for a pulse of sound to be reflected...

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