Resonance and Sound…Physics and Music



Since sound is the medium of music, most of the physics of music is the physics of sound.



It's important to remember that sound waves are compression waves. You can imitate a compression wave by stretching out a slinky (you do have a slinky, don't you?) and flicking your finger against a coil at the end. Sound waves are not like the waves on the ocean or the waves you get by waving a stretched-out rope.



Take a tuning fork (you do have a tuning fork, don't you?) and whack it on your knee. What do you hear? Unless you hold the tuning fork right next to your ear, you won't hear much of anything. This is because a small tuning fork can't push very much air around. Now take the same tuning fork, whack it on your knee again, and touch the non-forked end to a tabletop or other handy wooden surface. The sound should be a lot louder. This is because the vibrating tuning fork causes the tabletop to vibrate. The tabletop can......

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Title: Sound
Approximate Word Count: 736
Approximate Pages: 3 (250 words per double-spaced page)

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