The speed of sound in air (v) is not directly calculated from the frequency, wavelength, and amplitude of a sound wave. Instead, these parameters are interrelated through the wave equation:
v = f * λ
where:
- v is the speed of sound in air,
- f is the frequency of the sound wave,
- λ (lambda) is the wavelength of the sound wave.
This equation shows that the speed of sound in air is equal to the product of the frequency and the wavelength of the sound wave. The amplitude of the sound wave, which represents the maximum displacement from the equilibrium position, does not directly affect the speed of sound.
To calculate the speed of sound in air, you need to know the frequency and wavelength of the sound wave. The frequency can be determined by measuring the number of cycles or vibrations per unit of time, usually in Hertz (Hz). The wavelength is the distance between two consecutive points of the wave in the direction of propagation, typically measured in meters (m).
Once you have the frequency and wavelength values, you can multiply them together to find the speed of sound in air. It's important to note that the speed of sound in air is influenced by other factors such as temperature, humidity, and atmospheric pressure. The equation mentioned above represents an approximation for the speed of sound in dry air at room temperature.