Calculate the wavelengths in air at 20degc for sounds in
(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 a 10-MHz ultrasonic wave?
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a calculate the wavelengths in air at 20degc for sounds in the maximum range of human hearing 20 hz to 20000 hzb what
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