College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 14 - Sound - Learning Path Questions and Exercises - Multiple Choice Questions - Page 522: 15

Answer

(b) 4000 Hz

Work Step by Step

Only sound waves between 20 Hz and 20kHz are heard by human ears. This range is the audible range. However, hearing is most acute in the range 1000Hz - 10,000 Hz. with speech mainly in the frequency range around 4000 Hz.
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