Term
acoustic propagation properties |
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Definition
effecet of the medium upon the sound wave |
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Definition
effect of the sound wave upon the biologic tissue through which it passes |
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Term
sound travels in a __________line? |
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Definition
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sound waves are ________________waves. |
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Definition
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Term
three acoustic variables are _______? |
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Definition
pressure, density, distance |
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Term
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Definition
concentration of force in and area |
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Definition
concentration of mass in a volume |
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Definition
measure of particle motion |
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Definition
particles move in the same direction that the wave propagates |
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Definition
particles move in a perpendicular direction that the wave propagates |
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Term
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Definition
when peaks and troughs occur at the same time and same location |
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Definition
peaks and troughs occur at different times and locations |
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Definition
multiple waves combine at a particular point at same time and lose their individual characteristics |
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Term
constructive interference |
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Definition
in-phase waves interference where the resulting wave has greater amplitude than either of its components |
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Definition
out-of-phase interference forming a single wave of lesser amplitude than either of its components. |
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Term
what do waves transfer from one location to another? |
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Definition
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Term
sound waves are a series of _____? |
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Definition
compressions and rarefactions |
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Term
which of the following terms does not belong with the others: compression, density, pressure, or spacing |
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Definition
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Term
variations in all of the following identify specific waves as acoustic waves EXCEPT: pressure, parameters, density, acousitc variables |
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Definition
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Term
all of the following are true of sound EXCEPT: they are acoustic, they are pressure waves, they are tranverse, the move energy |
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Definition
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Term
what type of waves will exhibit both consstructive and destructive interference? |
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Definition
waves of different frequency |
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Term
two waves travel in a medium and arrive at a location at the same time. what event takes place? |
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Definition
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Term
multiple wave beams arrive at an identical location at exactly the same time to combine and form a single wave. this combination is called _______? |
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Definition
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Term
which types of waves will exhibit both constructive and destructive interference? |
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Definition
waves of different frequency |
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Term
what are the units used to describe pressure? |
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Definition
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what are the units used to describe density? |
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Definition
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Term
what are the units used to describe distance? |
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Definition
cm, feet, mile, kilometers, in, yards |
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