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A test tone used on a radio has a frequency of 987 Hz. What is the wavelength of this sound in air at normal room temperature 20 oC? Record your answer to three decimal places.
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Added Thu, 06 Aug '15
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Speed of sound=334 m/s

Frequency=987 Hz

Wavelength= speed/frequency

                                =334/987            

                                =0.338 m
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