Free Exam: PHYSICS: Chap 9: Focusing - Homework #1
Number of Questions in Test: 17
Number of Questions in Preview: 5
Register to view all questions.
Note: Answers are not shown below but will be copied with this test.
Copy this test to my quiz maker account
Register with ClassMarker to copy free tests to give to your Test takers.
Register nowQuestion 1
When you adjust the focus on the scanner you vary the:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 2
[cmimg]0/7499281_7AHWOYWU.png[/cmimg]
Lateral or _____________________ resolution is primarily determined by the beam width profile, which depends on the transducer size, frequency and focusing.
Lateral or _____________________ resolution is primarily determined by the beam width profile, which depends on the transducer size, frequency and focusing.
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 3
The angle of beam divergence in the far field of a 5 MHz, unfocused single element transducer is ______________ that of a 2.5 MHz transducer of the same diameter.
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 4
The near field length of a 5 MHz unfocused, single element transducer will be ____________ that of a 2.5 MHz transducer of the same diameter.
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 5
[cmimg]0/7499281_GZ1PPJQ5.png[/cmimg]
For a single element transducer, focusing is most commonly done using:
For a single element transducer, focusing is most commonly done using:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |