Given information
Sound, like all waves, travels at a certain speed and has frequency and wavelength parameters. While viewing a fireworks show, you may see visual proof of sound speed. The flash of an explosion is seen long before the sound of the explosion is heard, suggesting that sound has a limited speed and is significantly slower than light. A sound's frequency can also be directly sensed. Pitch is the perception of frequency.
Although the wavelength of a sound cannot be directly experienced, indirect evidence may be discovered in the relationship between the size and pitch of musical instruments. Small instruments, like the piccolo, produce high-pitch sounds, and huge instruments, like the tuba, produce low-pitch noises. The size of a musical instrument is closely proportional to the wavelengths of sound it generates, and a high pitch indicates a tiny wavelength. As a result, short-wavelength sounds are produced using a little device. Long-wavelength sounds are created by a huge instrument, according to similar reasons.