Physics Test #1 Chapter 2 Part 1

29 Questions  I  By KFeyler
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1.  Sound is a traveling variation in quantities called?
2.  Sounds travels slowest in?
A.
B.
3.  Sound is a _____________wave *More than 1 correct answer*
A.
B.
C.
4.  The _________ and_________ of a medium determine Propagation Speed
5.  If Frequency in Soft Tissue is Doubled, Propagation Speed is _________....
6.  Sound travels fastest in?
A.
B.
C.
D.
E.
7.  Propagation Speed is determined by
A.
B.
C.
D.
E.
8.  A wave is a traveling variation in quantities called?
9.  Period decreases as ____________ increases.
10.  Which of the following frequencies are in the Ultrasound Range?
A.
B.
C.
D.
E.
11.  Ultrasound is a sound with a frequency greater than ________Hz
12.  Propagation Speed is the speed with which a ________ moves through a medium in 1 second.
13.  Wavelength is the length of ______ over which one cycle occurs
14.  The average Propagation Speed in soft tissues is ?
A.
B.
C.
D.
15.  The unit of frequency is ______, which is abbreviated________
16.  It takes ________us for ultrasound to travel 1.54cm  in Soft Tissue
17.  Frequency is a measure of how many ______ an acoustic variable goes through in a second.
18.  If two media have different stiffness, the one with the higher stiffness will have the higher propagation speed.
A.
B.
19.  If Wavelength is 2mm and the frequency is Doubled the Wavelength becomes__________mm
20.  Acoustic Variables include __________, __________, and __________ _________*3 Variables*
A.
B.
C.
D.
21.  From given values for propagation speed and frequency, which of the following can be calculated?
A.
B.
C.
D.
E.
22.  Which of the following are Acoustic Variables? ***More than one correct answer***
A.
B.
C.
D.
E.
23.  Solids have higher propagation speeds than liquids because they have greater
A.
B.
24.  The wavelength of 7-MHz ultrasound in soft tissue is __________mm
25.  Propagation Speed Increases if ____________ is Increased.
26.  Propagation Speed in Bone is ______ than in Soft Tissue.
27.  Wavelength is equal to _________ ________ divided by _________
28.  Wavelength in Soft Tissue _________ as Frequency Increases
29.  Period is the ______ that it takes for one cycle to occur.
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