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The highest frequency humans can hear is about 20,000 Hz.

Chapter 13, Problem 1P

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QUESTION:

The highest frequency humans can hear is about 20,000 Hz. What is the wavelength of sound in air at this frequency? What is the wavelength of the lowest sounds we can hear, about 20 Hz?

ANSWER:

Solution 1P The speed of the sound in normal pressure and temperature is given by c = 340 m/s Now we know that the relationship between speed, frequency and wavelength is

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