For a project, a student is required to produce a sound with a frequency of 440 Hz or the equivalent of an A note. If the speed of the sound wave is 345 m/s, what wavelength must the wave be? What formula did you use to find this out? What would you need to do to the wavelength to produce a higher frequency?

Question

Biology

Evelyn Graves

15 November, 18:02

For a project, a student is required to produce a sound with a frequency of 440 Hz or the equivalent of an A note. If the speed of the sound wave is 345 m/s, what wavelength must the wave be? What formula did you use to find this out? What would you need to do to the wavelength to produce a higher frequency?

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Answers (1)

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Stephens · Answer 1

The wave must be of wavelength of 0.78 m.

To obtain higher frequency the wave length would be shorten.

Explanation:

from the formula

v = fλ

v = velocity

f = frequency

λ = wavelength

Data given

f = 440Hz

v = 345m/sec

λ = v/f

= 345 m/sec / 440

= 0.78 m

the wave must be of wavelength of 0.78 m.

If higher frequency is required wavelength would be shorten because from the formula wavelength is inversely proportional to frequency.