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  • What is the frequency range of an ultrasonic wave?
Multiple choice

What is the frequency range of an ultrasonic wave?

  1. 0 – 20 Hz

  2. 20 – 20,000 Hz

  3. Beyond 20,000 Hz

  4. 0 – 20,000 Hz

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Frequencies higher than 20 kHz, i.e. 20,000 Hz are associated with ultrasonic sounds or ultrasounds.

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