08 Musical Instruments and wave speed

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MUSICAL INSTRUMENTS AND WAVE SPEED

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6 Terms

1
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Describe stretched strings?

  • Stretched strings are transverse waves

  • The string has a mass and a length

  • The speed at which the waves travel down the string depend on the tension and mass per unit length

2
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How to calculate mass per unit length?

We divide the mass by the length of the string

Mass per unit Length is given the symbol ÎĽ

ÎĽ = m/L

<p>We divide the mass by the length of the string</p><p><span>Mass per unit Length is given the symbol ÎĽ</span></p><p><span>ÎĽ = m/L</span></p><p></p>
3
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What is the formula to calculate wave speed on a string?

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4
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Describe wind instruments?

  • Wind instruments work by creating a standing wave inside the cylinder of the instruments

  • They are called resonators

5
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Describe the waves in a pipe which has one closed end

A pipe has one closed end and one open end, the closed end has a node and the open end has an antinode

<p>A pipe has one closed end and one open end, the closed end has a node and the open end has an antinode</p><p></p>
6
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Describe the waves in a pipe with two open ends?

A pipe that has 2 open ends, it means that both ends will have an antinode

<p>A pipe that has 2 open ends, it means that both ends will have an antinode</p>