Which frequency range is audible to humans?

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Study for the ARRT Ultrasound Test. Utilize flashcards and multiple choice questions, each question includes hints and explanations. Prepare effectively for your exam!

Multiple Choice

Which frequency range is audible to humans?

Explanation:
Audible frequencies for humans span a limited pitch range. Our ears detect sound waves roughly from 20 hertz at the low end up to about 20,000 hertz (20 kilohertz) at the high end. Frequencies below 20 Hz are infrasound and generally not heard, while frequencies above 20 kHz are ultrasound and also not heard. Therefore the range 20 Hz to 20 kHz is the human audible range. Keep in mind this can vary with age and hearing health, with some people losing sensitivity, especially on the high end.

Audible frequencies for humans span a limited pitch range. Our ears detect sound waves roughly from 20 hertz at the low end up to about 20,000 hertz (20 kilohertz) at the high end. Frequencies below 20 Hz are infrasound and generally not heard, while frequencies above 20 kHz are ultrasound and also not heard. Therefore the range 20 Hz to 20 kHz is the human audible range. Keep in mind this can vary with age and hearing health, with some people losing sensitivity, especially on the high end.

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