(I) (a) Calculate the wavelengths in air at 20°C for
Chapter 12, Problem 3P(choose chapter or problem)
Problem 3P(I) (a) Calculate the wavelengths in air at 20°C for sounds in the maximum range of human hearing, 20 Hz to 20,000 Hz. (b) What is the wavelength of an 18-MHz ultrasonic wave?
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