The region of a longitudinal wave in which the density and pressure are at a medium.
What is rarefaction?
100
Define Intensity
What is the rate at which energy flows through a unit area perpendicular to the direction of wave motion?
100
SI unit for power.
What is watt?
100
Runs through the coiled cochlea
What is the basilar membrane?
100
Equation for harmonic series of standing waves on a vibrating string
What is n(v/2L)?
200
Speed of sound depends on the___
What is medium
200
Decibel level of 1.0 x 10^-3
What is 90
200
Phenomenon that occurs when the frequency of a force applied to a system matches the natural frequency of vibration of the system, resulting in a larger amplitude of vibration.
What is resonance?
200
Sound waves travel through the brain as ____
What are impulses?
200
Frequency is ______ to wavelength.
What is inversely proportional?
300
The Doppler effect is named after___
Who is Christian Doppler?
300
Equation of intensity of a spherical wave.
What is p/4(pie)r^2
300
At a natural frequency, it produces resonance.
What is vibration?
300
The lowest frequency of vibration of a standing wave
What is fundamental frequency?
300
Similar to pipes closed at one end.
What is a saxophone, clarinet, or trumpet
400
Pitch is determined by_____.
What is frequency?
400
Human hearing depends on both _______ and ______ of sound waves.
What is frequency and intensity?
400
Three sections of human ear.
What is outer, inner, middle?
400
The musical quality of a tone resulting from the combination of harmonics present at different intensities.
What is a timbre?
500
In sound waves, the vibration of air molecules are ____ to the direction of wave motion.
What is parallel.
500
A dimensionless unit that describes the ratio of two intensities of sound.
What is decibels?
500
Vibrates with the sound waves and transfers these vibrations to the three small bones of the middle ear .