Physics Test #1 Chapter 2 Part 1

29 Questions  I  By KFeyler on December 6, 2010

  

Question Excerpt

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