Which range is audible to humans?

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Prepare for the Ultrasound Physics Test. Access flashcards and multiple-choice questions, each with hints and explanations. Get set for your exam day!

Multiple Choice

Which range is audible to humans?

Explanation:
Humans can hear a broad range of frequencies, from about 20 Hz up to around 20,000 Hz (20 kHz). This full span is the audible range, encompassing deep bass to high treble. The choice describing 20 Hz to 20 kHz matches this entire hearing window. Frequencies above 20 kHz are ultrasonic and not detectable by the human eye; frequencies below 20 Hz are infrasonic and also not heard. A subrange like 200 Hz to 2000 Hz is within the audible range but does not represent the full extent of what humans can hear, so it isn’t the best answer for describing the entire audible range.

Humans can hear a broad range of frequencies, from about 20 Hz up to around 20,000 Hz (20 kHz). This full span is the audible range, encompassing deep bass to high treble. The choice describing 20 Hz to 20 kHz matches this entire hearing window.

Frequencies above 20 kHz are ultrasonic and not detectable by the human eye; frequencies below 20 Hz are infrasonic and also not heard. A subrange like 200 Hz to 2000 Hz is within the audible range but does not represent the full extent of what humans can hear, so it isn’t the best answer for describing the entire audible range.

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