CVIU PHYSICS MIDTERM
REVIEW
1. metric units - powers of ten
2. how many milliliters are in 8 liters?
D. 8000
A. 1/8
B. 8
milli means thousand
C. 80
D. 800
E. 8000
3. how many centimeters are in 3
meters? D. 300
A. 1/300
B. 1/3 centi means hundredth
C. 3
D. 300
E. 3000
4. how many kilometers are in 3000 C. 3
meters?
A. 1/300 Kilo means thousand , 3
B. 1/3 kilometers = 3,000 meters
C. 3
D. 300
E. 3000
A. 3,000,000
5. How many hertz is 3 MHz?
A. 3,000,000 mega means millions
B. 3000
C. 333
D. 0.003
6. how many milliliters are contained in a
jar filled with 5 liters of fluid?
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56
, CVIU PHYSICS MIDTERM
REVIEW
A. 5 B. 5000
B. 5000
C. 500 1,000 milliters = 1 liters (multiply)
D. 0.005
7. how many liters are contained in 80
D. 0.080
ml of fluid?
A. 8 1 liter = 1,000 milliters (divide)
B. 80
C. 0.008
D. 0.080
8. what are used to distinguish
between sound waves and other acoustic variables
types of waves?
9. what are the three acoustic variables? pressure
densit
y
distanc
e
10. what is the concentration of force in an area pressure
?
units: pascals (Pa)
11. what is the concentration of mass in a density
vol- ume?
units: kg/cm3
12. what measure of particle
distance
motion? units: cm, feet, mile
13. sound waves are also called ? acoustic waves
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, CVIU PHYSICS MIDTERM
REVIEW
14. period
3/
56
, CVIU PHYSICS MIDTERM
REVIEW
what is the time it takes a wave to vibrate a
single cycle or the time from the start
of one cycle to the next cycle?
15. period is recorded in units of ? time
microseconds, seconds, hours, or days
16. period in diagnostic ultrasound is ? 0.06 to 0.5 microseconds
17. what is period determined by ? sound source only
18. is period adjustable? no
19. T/F the period of a wave is the time true
neces- sary to create a single cycle ?
20. what is the number of particular events that frequency
occur in a specific duration of time ?
21. frequency is reported in ? units of per
second ( 1/sec,
hertz, Hz)
22. what is another way to say "per second"?hertz
23. frequency ranges from 2MHz to 15 MHz
approximately
to
24. what is frequency determined by ? sound source only
25. is frequency adjustable by the sonograph- no
er?
26. true
4/
56
REVIEW
1. metric units - powers of ten
2. how many milliliters are in 8 liters?
D. 8000
A. 1/8
B. 8
milli means thousand
C. 80
D. 800
E. 8000
3. how many centimeters are in 3
meters? D. 300
A. 1/300
B. 1/3 centi means hundredth
C. 3
D. 300
E. 3000
4. how many kilometers are in 3000 C. 3
meters?
A. 1/300 Kilo means thousand , 3
B. 1/3 kilometers = 3,000 meters
C. 3
D. 300
E. 3000
A. 3,000,000
5. How many hertz is 3 MHz?
A. 3,000,000 mega means millions
B. 3000
C. 333
D. 0.003
6. how many milliliters are contained in a
jar filled with 5 liters of fluid?
1/
56
, CVIU PHYSICS MIDTERM
REVIEW
A. 5 B. 5000
B. 5000
C. 500 1,000 milliters = 1 liters (multiply)
D. 0.005
7. how many liters are contained in 80
D. 0.080
ml of fluid?
A. 8 1 liter = 1,000 milliters (divide)
B. 80
C. 0.008
D. 0.080
8. what are used to distinguish
between sound waves and other acoustic variables
types of waves?
9. what are the three acoustic variables? pressure
densit
y
distanc
e
10. what is the concentration of force in an area pressure
?
units: pascals (Pa)
11. what is the concentration of mass in a density
vol- ume?
units: kg/cm3
12. what measure of particle
distance
motion? units: cm, feet, mile
13. sound waves are also called ? acoustic waves
2/
56
, CVIU PHYSICS MIDTERM
REVIEW
14. period
3/
56
, CVIU PHYSICS MIDTERM
REVIEW
what is the time it takes a wave to vibrate a
single cycle or the time from the start
of one cycle to the next cycle?
15. period is recorded in units of ? time
microseconds, seconds, hours, or days
16. period in diagnostic ultrasound is ? 0.06 to 0.5 microseconds
17. what is period determined by ? sound source only
18. is period adjustable? no
19. T/F the period of a wave is the time true
neces- sary to create a single cycle ?
20. what is the number of particular events that frequency
occur in a specific duration of time ?
21. frequency is reported in ? units of per
second ( 1/sec,
hertz, Hz)
22. what is another way to say "per second"?hertz
23. frequency ranges from 2MHz to 15 MHz
approximately
to
24. what is frequency determined by ? sound source only
25. is frequency adjustable by the sonograph- no
er?
26. true
4/
56
