Physics Test #1 Chapter 2 Part 1

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