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17 May, 13:19

The human ear is most sensitive to sound that has a frequency of about 4000 Hz. Assume that the speed of sound in air is 340 m/s.

What is the wavelength of a sound heard in the air with this frequency?

A. 0.043 m

B. 0.085 m

C. 12 m

D. 340 m

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Answers (1)
  1. 17 May, 15:50
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    Wavelength = (speed) / (frequency)

    Wavelength = (340 meters per sec) / (4,000 per sec) = 0.085 meters = 8.5 cm
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