CRPhysicsChapter12Vocabulary2016
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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| the region of a longitudinal wave in which the density and pressure at a maximum | compression
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| the region of a longitudinal wave in which the density and pressure are at a minimum | rarefaction
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| a measure of how high or low a sound is perceived to be, depending on the frequency of the sound wave | pitch
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| an observed change in frequency when there is relative notion between the source of waves and an observer | Doppler Effect
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| the rate at which energy flows through a unit area perpendicular to the direction of wave motion | intensity
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| a dimensionless unit that describes the ratio of two intensities of sound; the threshold of hearing is commonly used as the reference | decibel
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| a 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 large amplitude of vibration | resonance
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| the lowest frequency of vibration of a standing wave | fundamental frequency
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| a series of frequencies that includes the fundamental frequency and integral multiples of the fundamental frequency | harmonic series
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| the musical quality of a tone resulting from the combination of harmonics present at different intensities | timbre
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| the periodic variation in the amplitude of a wave that is the superposition of two waves of slightly different frequencies | beat
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To hide a column, click on the column name.
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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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