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  • Created by: Simana
  • Created on: 28-10-15 15:02

Ultrasound is a sound higher than 20 000Hz

Electrical systems can produce electrical oscillations of any frequency, and these can easily be converted into mechanical vibrations to produce soundwaves .

Partial Reflection

Is when a wave passes from one medium into another, some of the wave is reflected off the boundary between the two media, and some is transmitted (


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