AET Final questions with verified
answers graded A+
Timbre is determined largely by
A. Undertones
B. Delay
C. Overtones
D. A third listener - correct answer ✔✔Overtones
Which of these is closest to the length of a 1kHz sound wave in physical space?
A. 1 foot
B. 3 feet
C. 1/4 foot
D. 17 feet
E. 9 feet - correct answer ✔✔1 foot
Hz is a measure of...
A. Amplitude
B. Loudness
C. Frequency
D. Pain - correct answer ✔✔Frequency
How we perceive amplitude is called...
A. Frequency
B. Pitch
,C. Phase
D. Loudness - correct answer ✔✔Loudness
If a sound bends or spreads around a surface, it is said to be:
A. Sound waves don't bend
B. Confused
C. Diffused
D. Diffracted - correct answer ✔✔Diffracted
Lower frequencies have...
A. Inverted wavelengths
B. Shorter wavelengths
C. Reversed wavelengths
D. Longer wavelengths - correct answer ✔✔Longer wavelengths
The speed of sound at sea level, 70-degrees Fahrenheit is:
A. 10,000 meters per second
B. 1,130 feet per second
C. 130 feet per second
D. 1,130 meters per second - correct answer ✔✔1,130 feet per second
A sound wave is made up of a series of:
A. Compressions and rarefactions
B. Increased and decreased air pressure
C. Both of the above
D. None of the above - correct answer ✔✔Both of the above
, Two identical sound waves that are exactly "180 degrees out-of-phase" will
A. Not interact
B. Reflect off of each other at their angle of incidence
C. Multiply
D. Cancel - correct answer ✔✔Cancel
An octave above 125 Hz is
A. 350 Hz
B. 500 Hz
C. 62.5 Hz
D. 250 Hz - correct answer ✔✔250 Hz
The human perception of frequency is called:
A. dB
B. the threshold of hearing
C. pitch
D. loudness - correct answer ✔✔Pitch
The graphic representation of a sound wave's compression and rarefaction patterns, usually
shown as amplitude and time, is called a/an...
A. bell
B. polar response
C. Loudness graph
D. waveform - correct answer ✔✔Waveform
answers graded A+
Timbre is determined largely by
A. Undertones
B. Delay
C. Overtones
D. A third listener - correct answer ✔✔Overtones
Which of these is closest to the length of a 1kHz sound wave in physical space?
A. 1 foot
B. 3 feet
C. 1/4 foot
D. 17 feet
E. 9 feet - correct answer ✔✔1 foot
Hz is a measure of...
A. Amplitude
B. Loudness
C. Frequency
D. Pain - correct answer ✔✔Frequency
How we perceive amplitude is called...
A. Frequency
B. Pitch
,C. Phase
D. Loudness - correct answer ✔✔Loudness
If a sound bends or spreads around a surface, it is said to be:
A. Sound waves don't bend
B. Confused
C. Diffused
D. Diffracted - correct answer ✔✔Diffracted
Lower frequencies have...
A. Inverted wavelengths
B. Shorter wavelengths
C. Reversed wavelengths
D. Longer wavelengths - correct answer ✔✔Longer wavelengths
The speed of sound at sea level, 70-degrees Fahrenheit is:
A. 10,000 meters per second
B. 1,130 feet per second
C. 130 feet per second
D. 1,130 meters per second - correct answer ✔✔1,130 feet per second
A sound wave is made up of a series of:
A. Compressions and rarefactions
B. Increased and decreased air pressure
C. Both of the above
D. None of the above - correct answer ✔✔Both of the above
, Two identical sound waves that are exactly "180 degrees out-of-phase" will
A. Not interact
B. Reflect off of each other at their angle of incidence
C. Multiply
D. Cancel - correct answer ✔✔Cancel
An octave above 125 Hz is
A. 350 Hz
B. 500 Hz
C. 62.5 Hz
D. 250 Hz - correct answer ✔✔250 Hz
The human perception of frequency is called:
A. dB
B. the threshold of hearing
C. pitch
D. loudness - correct answer ✔✔Pitch
The graphic representation of a sound wave's compression and rarefaction patterns, usually
shown as amplitude and time, is called a/an...
A. bell
B. polar response
C. Loudness graph
D. waveform - correct answer ✔✔Waveform
