Physics Test #1 Chapter 2 Part 1

29 Questions  I  By KFeyler

  
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Question Excerpt

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