Concept explainers
The wavelength of a sound wave in air.
Answer to Problem 112A
The wavelength of the sound wave is
Explanation of Solution
Given:
Sound wave with a frequency of 17-kHz is traveling in air
Formula used:
The wavelength of any wave is a function of its frequency f and velocity v, which can be expressed mathematically as
Calculation:
Here, the sound wave is considered and it is traveling in air. The velocity of sound in air considering room temperature, is
Substituting these parameters in (1), the wavelength of sound in air is obtained as,
Conclusion:
The wavelength of sound with a particular frequency, in air is 20.17 mm.
Chapter 22 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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