Lesson: Chapter 4 — Waves and their applications

4.3.4. Hearing range and ultrasound 1 of 5 Reset answers

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Question 1

What is the usual hearing range of a human?

A 256 Hz to 512 Hz B 20 000 Hz to 40 000 Hz C 0 Hz to 20 Hz D 20 Hz to 20 000 Hz

The right answer is the one marked above.

20 Hz to 20 000 Hz. Below it is infrasound, above it ultrasound — and the upper limit falls as a person ages.

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