Physics Chapter 12
Terms
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- harmonics
- high pitched tone producesd when string player lightly touches certain points on a string
- diatonic major scale
- the eight-note scale
- overtones
- a series of tones that exist within the tone you hear, that can be produced by vibrating fractional parts of the instrument/voice.
- music
- a combination of musical notes
- sound barrier
- the increase in aerodynamic drag as an airplane approaches the speed of sound
- closed air column
- if an air column is closed at one end and open at the other
- resonance
- a vibration of large amplitude produced by a relatively small vibration near the same frequency of vibration as the natural frequency of the resonating system
- fundamental mode
- the simplest mode of vibration (produces the lowest frequency or pitch)
- Doppler Effect
- change in the apparent frequency of a wave as observer and source move toward or away from each other
- noise
- a combination of sounds characterized by vibrations that are constantly changing in frequency
- consonance
- is the repetition of a consonant sound whitin a series of words to produce a harmonious effect.
- beats
- periodic changes in sound intensity
- Herschel Tube
- an apparatus that demonstrates interference in sound waves from a single source
- beat frequency
- the number of maximum intensity
- dissonance
- disagreeable sounds
- sonic boom
- an explosive sound caused by the shock wave of an airplane traveling faster than the speed of sound