PHYS 144 exam 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| what are the three parts of the outer ear ? | pinna, Auditory canal , and Tympanic membrane(ear drum)
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| What are the three parts of the middle ear ? | malleus , incus, and stapes(stirrup)
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| What are the three parts of the inner ear ? | cochlea,semi-circular canals(involved with balance), and auditory nerve
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| What function does the outer ear perform? | sound gathering
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| What function does the middle ear perform? | mechanical amplitude
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| What function does the inner ear perform ? | signal detection and pre-processing
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| What does an ear do? | transducer: converts pressure change into nerve impulses
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| What does a microphone do ? | transducer that changes pressure variations into voltage variation.
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| Frequency constant: low frequency | lower pitch and higher Sound Intensity Level
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| Frequency Constant: high frequency | higher pitch and higher Sound Intensity Level
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| What is tempo? | number of beats per minute
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| What is meter? | basic grouping of notes in a measure : 4/4 2/4 6/8
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| What is rhythm? | pattern of strong and weak beats
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| How many semi-tones are in western music octaves ? | 12 semi-tones (chromatic scale)
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| How many notes are in a pentatonic scale? | 5 notes
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| Perfect 4th and perfect 5th intervals are examples of ... | Pythagorean temperament
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| What is the Fourier theorem ? | any periodic wave form can be constructed from sine waves who's frequency form a harmonic series.
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| What is Ohm's Law | timbre(tone color) insensitive to relative phase of sine waves making up complex wave form
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| What is vibrato ? | frequency modulation (FM)
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| What is tremelo ? | Amplitude modulation (AM)
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| What is the missing fundamental effect ? | if a series of higher harmonies is established then the brain fills in the missing fundamental .
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
thanzali
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