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

Number of Questions in Test: 32
Number of Questions in Preview: 5
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Question 1
[cmimg]0/7499281_VPDBXOL9.png[/cmimg]



The near field depth of a 5 mm diameter crystal operating at 5 MHz is:
Type: Multiple choice
Points: 1
Randomize answers: Yes
Question 2
[cmimg]0/7499281_7X3D850E.png[/cmimg]



What is the angle of the far field divergence for a 5 MHz transducer with a crystal diameter of 5 mm?
Type: Multiple choice
Points: 1
Randomize answers: Yes
Question 3
A reduction in the beam diameter in the near zone may be accomplished by:
Type: Multiple choice
Points: 1
Randomize answers: Yes
Question 4
[cmimg]0/7499281_8IUTFKI0.png[/cmimg]



Focusing:
Type: Multiple choice
Points: 1
Randomize answers: No
Question 5
The two basic methods of focusing are:
Type: Multiple choice
Points: 1
Randomize answers: No
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