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Pitch

how does a tuning-fork work
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How Does a Tuning-fork Work?

A tuning-fork vibrates to give a musical note of definite pitch or frequency and is marked on the fork by a letter or symbol referring to it

how is sound produced
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How Is Sound Produced?

How Is Sound Produced? Sounds travel in waves. If you throw a pebble into a still pond, you will see ripples, or waves, spread outward from