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On a cold day, the speed of sound in air is 330 m/s. A note with a frequency of 1,320 Hz is played on an instrument. What is the wavelength of that sound wave?

Respuesta :

AL2006

Wavelength = (speed) / (frequency)

Wavelength = (330 m/s) / (1320/s)

Wavelength = (330/1320) m

Wavelength = 0.25 m

Wavelength = 25 cm

The wavelength of that sound wave is 0.25 m.

What is the relationship between Wavelength, Speed and Frequency?

  • Wavelength and frequency are inversely proportional to each other.
  • C = fλ , where C = speed , f = frequency and λ = wavelength.

What is the wavelength of the sound having frequency of 1320 Hz?

                                     C =  fλ

                                   ∴ λ  =  C/f

                                   ∴ λ  = 330 / 1320

                                   ∴ λ  = 0.25 m.

Thus, The wavelength of that sound wave is 0.25 m.

Learn more about Wavelength , Frequency and Speed here -

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