Question: A sound wave in an unknown gas has a frequency of 440 Hz and a wavelength of 2.2 m. What type of gas might it

A sound wave in an unknown gas has a frequency of 440 Hz and a wavelength of 2.2 m. What type of gas might it be? Use Table 13.1.

TABLE 13.1 Speed of Sound in Some Common Materials Speed of Sound (m/s) Material Air 343 Helium gas 1000 Hydrogen gas 13

TABLE 13.1 Speed of Sound in Some Common Materials Speed of Sound (m/s) Material Air 343 Helium gas 1000 Hydrogen gas 1330 Oxygen gas 330 Carbon dioxide gas 269 Water 1480 Seawater 1520 Ethyl alcohol 1160 Aluminum 5100 Steel 5790 1960 Lead 3100 Concrete Glass 5600

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