A sound wave is a longitudinal mechanical wave that propagates through a medium, such as air or water. The sound wave carries energy from the disturbance to the surrounding area, and can be heard when it reaches your ear. It is one of many types of waves we know about in physics–there are electromagnetic waves, light waves, and so on. Sound waves are created by vibrations which push against particles near them. These particles then transfer their energy to other nearby particles, which also move further away until there’s no more movement left!

light, shining, blue @ Pixabay

So how does a sound wave work? Well, when we talk or sing (or play our instrument), the vibrations in our vocal chords push against particles near them. These particles then transfer their energy to other nearby particles–and because of how they’re vibrating, these new waves are able to travel through air much better than light can! This is due to something called amplitude. In physics terms, amplitude means “the maximum displacement from equilibrium”. Typically it’s used for things like vibration where there is an alternation between two extremes, but that doesn’t make it any less important here! A very high-amplitude wave might move twice as far as a low-amplitude one would. So if you’ve ever seen someone

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