Range of sound waves — task. Science State Board, Class 10.

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choose the right answer:

Answer variants:

Infrasonic sound

Wall

Ultrasonic sound

Audible sound

1. \(20\) \(Hz\) \(-\)

2. \(25000\) \(Hz\) \(-\)

3. \(5\) \(Hz\) \(-\)

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