Frequency of the Sound Wave Formula |
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\( f \;=\; \dfrac{ v }{ \lambda } \) (Frequency of the Sound Wave) \( v \;=\; f \cdot \lambda \) \( \lambda \;=\; \dfrac{ v }{ f } \) |
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| Symbol | English | Metric |
| \( f \) = Frequency of the Sound Wave | \(Hz\) | \(Hz\) |
| \( v \) = Speed of Sound in the Medium | \(ft\;/\;sec\) | \(m\;/\;s\) |
| \( \lambda \) (Greek symbol \lambda) = Wavelength of the Sound Wave | \(ft\) | \(m\) |
Frequency of sound waves is the number of vibrations or oscillations that occur per second as a sound wave travels through a medium, such as air, water, or solid materials. The frequency determines the pitch of the sound that we hear, higher frequencies produce higher pitched sounds, while lower frequencies create lower pitched sounds. For example, a soprano singer’s voice or a whistle has a high frequency, while a drum or a bass note has a low frequency. In physics, the frequency of a sound wave is related to its wavelength and the speed of sound in the medium.
