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If the frequency of a sound wave is 990 Hz, calculate its wavelength. (Assume the air temperature is 0°C.)

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The speed of sound at 0°C is approximately v=331.2 m/s. The frequency of the sound wave is f=990 Hz. To find the wavelength of the wave, we can use the basic relationship between frequency, wavelength and speed of a wave:

\lambda= (v)/(f)
where
\lambda is the wavelength. If we use the data of the problem, we find

\lambda= (331.2 m/s)/(990 Hz) =0.33 m
User Amir
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