3.2 Flashcards

1
Q

are considered to be longitudinal waves.Thus, when representing this with
a standing wave, instead of the displacement, the air pressure (or how the sound was
generated) determines the amplitude of the wave.

A

Sound waves

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2
Q

Determines the amount of energy that has been imparted to the wave which will
be carried or transmitted.
Related to loudness

A

Amplitude

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3
Q
  • musical sounds with varying frequencies.
  • an instrument’s own characteristic vibrational mode or
    standing wave pattern
  • for musical instruments, different harmonic frequencies are related
    to each other by simple whole number rations.
A

Harmonics

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4
Q
  • The most fundamental harmonic for a guitar string is the
    harmonic associated with a standing wave having only one
    antinode positioned between the two nodes on the end of
    the string
  • Longest Wavelength and Lower Frequency
  • Fundamental Harmonics
A

First harmonic

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5
Q
  • produced by adding one more node between the ends of
    the guitar string
  • The frequency is twice that of the Fundamental Harmonics
  • this additional node gives the second harmonic a total of
    three nodes and two antinodes
A

Second harmonic

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6
Q
  • produced by adding two nodes between the ends of the guitar
    string.
  • These additional nodes give the third harmonic a total of four
    nodes and three antinodes.
  • The frequency is thrice that of the Fundamental Harmonies
  • For this reason, the length of the string is equal to three-halves
    the length of the wave.
A

Third harmonic

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