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Free Exam: PHYSICS: Chap 9: Sound Beams - Quiz

Number of Questions in Test: 25
Number of Questions in Preview: 5
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Question 1
[cmimg]0/7499281_DXOEDIMY.png[/cmimg]



All of the following are true about the focus of a sound beam EXCEPT that:
Type: Multiple choice
Points: 4
Randomize answers: Yes
Question 2
All of the following can occur with focusing EXCEPT:
Type: Multiple choice
Points: 4
Randomize answers: Yes
Question 3
The formula for near field depth is:  NFL =
Type: Multiple choice
Points: 4
Randomize answers: Yes
Question 4
[cmimg]0/7499281_6GFAIZRB.png[/cmimg]



Which of the following transducers has the lowest intensity at the end of the near zone?
Type: Multiple choice
Points: 4
Randomize answers: Yes
Question 5
Which of the following transducers has the fastest convergence in the near field?
Type: Multiple choice
Points: 4
Randomize answers: Yes
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