Concept explainers
Sound from Source A has twice the frequency of sound from Source B, both in air. Compare the speeds and wavelengths of sound form the two sources.
The speeds and wavelengths of sound from the two sources.
Answer to Problem 10TE
The ratio of the wavelength of source A and B is twice the ration of wave speed of source A and B.
Explanation of Solution
Write the relation between the wave speed, wavelength and frequency.
Here,
Write the relation between the wave speed, wavelength and frequency for source A.
Write the relation between the wave speed, wavelength and frequency for source B.
Divide both the expressions.
Now, the frequency of source A is twice as the frequency of source B,
Conclusion:
Therefore, the ratio of the wavelength of source A and B is twice the ration of wave speed of source A and B.
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