Question
What frequency sound has a 0.10-m wavelength when the speed of sound is 340 m/s?
Final Answer
Solution video
OpenStax College Physics for AP® Courses, Chapter 17, Problem 2 (Problems & Exercises)
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Video Transcript
This is College Physics Answers with Shaun Dychko. A sound wave with wavelength of 0.10 meters has a speed of 340 meters per second and the question is what is its frequency? Well the wave equation says that the speed of a wave is the product of frequency and wavelength. So we can divide both sides by λ to solve for f after we switch the sides around. So frequency is speed divided by the wavelength; 340 meters per second divided by 0.10 meters is 3.4 kilohertz.