The sounds of which frequency are human beings most sensitive?
Correct answer: D. 5000 hertz
- A. 400 hertz
- B. 20 hertz
- C. 20000 hertz
- D. 5000 hertz
Explanation
Human hearing is most sensitive roughly between 2,000 and 5,000 hertz, the range important for speech. Of the listed choices, 5,000 hertz is the best answer; 20 and 20,000 hertz are the approximate hearing limits.
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