Tuning Fork​


 


If an object vibrates, it can produce sound​

 

We can see how sound is produced by such vibrations using Tuning Fork​

 

Tuning Fork is made of metal with a base and two arms. When the arm hits a hard rubber piece with the help of the base, the arms start vibrating i.e. they start moving back and forth periodically.​

 

Such continuous very fast periodic motion of the arms creates a series of compressions and rarefactions in the air and spreads far from the source. This is what we call a sound wave.​

 

The speed of sound in each tuning fork is different because the length of its arm is different and the frequency of the sound wave changes due to this.​

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