How A Poptar Makes Sound

How A Poptar Makes Sound

The instrument is a single string type. The pitch of the noise can be changed by twisting the pencil on top either from left or right. Every time the instrument is played by plucking the string, vibration waves emit from the string and hit the walls of the bottle causing the wallowing noise of the instrument. By pulling on the string, the noise becomes higher.

The vibration of the string hitting the walls of the bottle can be changed in many ways to play a song. This includes the time intervals of the plucking of the string. If the string is plucked and not stopped, the string will continue to vibrate. The vibration however does not last very long, depending on how tight the string is. The tighter the string is, the shorter the vibration length will be. The vibration can be stopped by pulling the pencil straught up or by simply holding the string. However, by just holding the string, it would be more difficult to play the next note.