Physics Test #1 Chapter 2 Part 1

29 Questions  I  By KFeyler on December 6, 2010

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