Physics Test #1 Chapter 2 Part 1

29 Questions  I  By KFeyler on December 6, 2010

  

Question Excerpt

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