The pitch of a sound refers to the subjective perception of its frequency. While wavelength and frequency are closely related, pitch is more commonly associated with frequency rather than wavelength.
In general, higher frequencies are perceived as higher pitches, and lower frequencies are perceived as lower pitches. The relationship between frequency and wavelength is given by the equation:
Frequency = Speed of Sound / Wavelength
In this equation, the speed of sound is a constant value that depends on the medium through which the sound is traveling. Since the speed of sound remains relatively constant, the wavelength and frequency of a sound wave are inversely proportional. When the wavelength is shorter (smaller), the frequency is higher, resulting in a higher pitch perception. Conversely, when the wavelength is longer (larger), the frequency is lower, resulting in a lower pitch perception.
It's important to note that pitch perception is subjective and can vary among individuals. Additionally, the human auditory system does not perceive all frequencies equally. The perception of pitch is influenced by various factors, including the sensitivity of different parts of the ear to different frequencies.