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Type: Multiple-Choice
Category: Waves and Sound
Level: Grade 12
Score: 2
Tags: ultrasonic wave
Author: tanyamajmudar
Last Modified: 2 years ago

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Waves and Sound Question

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Grade 12 Waves and Sound

Sound waves with a frequency above 20,000 Hz are referred to as                 .
  1. doppler waves
  2. infrasonic waves
  3. sonic booms
  4. ultrasonic waves
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