Vocal Chords
Air vibrates helmet. Helmet vibrates helmet (two). Helmet vibrates air (inside helmet two).
An idiophone vibrates when it is scraped, hit, or struck.
When you hit it, the triangle vibrates, and the air around it vibrates. The air particles closest to it vibrates, then the air particles next to the first ones start vibrating as well and so on, so it reaches your ear. From liam514 if u have any other questions tell me and i will answer them as best as i can.
No
In the part of the phone that you talk in to there is a diaphragm that vibrates so it can change the vibration into digital signals.
The string of a veena vibrates
The skin vibrates when you hit them.
The reed on a clarinet vibrates against the mouthpiece.
There is no such thing as vibrates or non-vibrates. Vibration is a concept when dealing with sound waves. However, one may mean vertibrates and invertibrates. Vertibrates are those that have backbones and invertibrates do not.
The tightly stretched surface (membrane) of a drum vibrates.
Vocal Chords
The reed vibrates.
It's the string that vibrates when you either pluck or bow them.
The strings.
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An electric change vibrates and a magnetic field vibrates in response.