Physics Test #1 Chapter 2 Part 1

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