kn161461 kn161461

24-03-2020
Physics

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What wave have a frequency of less then 20hz

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lauragtoghe lauragtoghe

24-03-2020

Answer: Infrasound

Explanation: Sounds with frequencies below 20 hertz are called infrasound. Infrasound is too low-pitched for humans to hear. Sounds with frequencies above 20,000 hertz are called ultrasound

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