How can you explain hearing range of human and ultrasound?
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How can you explain hearing range of human and ultrasound?
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Answer:
Normal human hearing encompasses frequencies from 20 to 20,000 Hz, an impressive range. Sounds below 20 Hz are called infrasound, whereas those above 20,000 Hz are ultrasound. Neither is perceived by the ear, although infrasound can sometimes be felt as vibrations.
Explanation:
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