Question

which sound frequency could a human detect?
1 hertz
10 hertz
50 hertz
50,000 hertz

Explanation:

The typical range of human audible frequencies is approximately 20 hertz to 20,000 hertz. We check each option against this range:

• 1 hertz is below the lower limit.
• 10 hertz is below the lower limit.
• 50 hertz falls within the 20-20,000 hertz range.
• 50,000 hertz is above the upper limit.

Answer:

C. 50 hertz