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Type: Multiple-Choice
Category: Waves and Sound
Level: Grade 6
Score: 1
Author: mfrank1
Last Modified: a month ago

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Waves and Sound Question

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Grade 6 Waves and Sound

Hertz (Hz) is the measure of sound wave frequency. It measures how many waves pass between two points in one second. If there are 30 waves that pass in one second, what is the sound's frequency in Hz?
  1. 30 Hz
  2. 15 Hz
  3. 20 Hz
  4. 25 Hz
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