Sound frequencies audible to humans range from which values?

Study for the Image Modalities Test. Learn with flashcards and multiple choice questions, each comes with hints and explanations. Get ready for your credentialing exam in the field of medical imaging!

Multiple Choice

Sound frequencies audible to humans range from which values?

Explanation:
Humans can hear frequencies in a range from about 20 Hz up to 20 kHz. Low frequencies around 20 Hz feel like deep bass, while high frequencies near 20 kHz are very high-pitched tones. Frequencies below 20 Hz aren’t heard as tones, and those above 20 kHz are ultrasonic and not audible to typical human hearing. Among the options, 20 Hz to 20 kHz matches the usual human audible range. The other ranges either miss part of the audible spectrum or lie entirely outside what humans can hear.

Humans can hear frequencies in a range from about 20 Hz up to 20 kHz. Low frequencies around 20 Hz feel like deep bass, while high frequencies near 20 kHz are very high-pitched tones. Frequencies below 20 Hz aren’t heard as tones, and those above 20 kHz are ultrasonic and not audible to typical human hearing. Among the options, 20 Hz to 20 kHz matches the usual human audible range. The other ranges either miss part of the audible spectrum or lie entirely outside what humans can hear.

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