Define sound ? name types of sound ? and give some examples ? what is tunning fork
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Answer:
A tuning fork is an acoustic resonator in the form of a two-pronged fork with the prongs (tines) formed from a U-shaped bar of elastic metal (usually steel). It resonates at a specific constant pitch when set vibrating by striking it against a surface or with an object, and emits a pure musical tone once the high overtones fade out. A tuning fork's pitch depends on the length and mass of the two prongs. They are traditional sources of standard pitch for tuning musical instruments.
Tuning fork by John Walker stamped with note (E) and frequency in hertz (659)
The tuning fork was invented in 1711 by British musician John Shore, Sergeant trumpeter and lutenist to the court.[1]
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Answer:
- vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear is called sound
- There are many different types of sound including, audible, inaudible, unpleasant, pleasant, soft, loud, noise and music.
- Everyday Examples of Sound Energ:An air conditioning fan ,An airplane taking off, A ballerina dancing in toe shoes, A balloon popping, The bell dinging on a microwave ,A boom box blaring,A broom swishing,A buzzing bee.
- a two-pronged steel device used by musicians, which vibrates when struck to give a note of specific pitch.
Explanation:
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