MyDmartoehliada
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  • 20-10-2015
  • Physics
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An ultrasound wave vibrates 30,000 times per second. what is the frequency

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ineverwrit ineverwrit
  • 20-10-2015
Frequency is given in units of Hertz (Hz) and is defined as the number of cycles per second.  The sound wave has 30,000 cycles per second, so its frequency is 30,000Hz.
This is more conveniently expressed as 30kHz, where the k indicates a multiplier of 1,000.
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