Range of sound waves — task. Science CBSE Homework Assignments, Class 9.

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Answer variants:

Infrasonic sound

Audible sound

vibration

Ultrasonic sound

1. \(1\) \(Hz\) \(-\)

2. \(56\) \(Hz\) \(-\)

3. \(21333\) \(Hz\) \(-\)

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