Rarefaction is the opposite of compression, and is a lowering of pressure. You can produce many simply by talking; sound waves consist of both. Other ways would be to induce a (partial) vacuum by sucking through a straw or turning on a vacuum cleaner.
Sound Waves
The vibrations of an audio speaker produce sound waves by compressions and rarefactions in air particles.
Transverse waves have crests and troughs. Longitudinal waves have compressions and rarefactions.
Rarefactions decompressions travel in the same direction, because sound are longitudinal waves.
The less dense areas created as a sound wave propagates are called rarefactions.
Transverse waves have crests and troughs. Longitudinal waves have compressions and rarefactions.
because the particles vibrate back and forth due to which compression and rarefactions are made
Neon cat
Longitudinal waves.
Sound Waves
When an object vibrates it produces disturbance in the medium and then the compressions and rarefactions produced travels through the medium to our ears from the vibrator and hence the sound is perceived.
Rarefactions
The vibrations of an audio speaker produce sound waves by compressions and rarefactions in air particles.
Transverse waves have crests and troughs. Longitudinal waves have compressions and rarefactions.
Rarefactions decompressions travel in the same direction, because sound are longitudinal waves.
rarefactions
The less dense areas created as a sound wave propagates are called rarefactions.