Free Exam: Physics: Chap 15: Chapter 15 -- Quiz
Number of Questions in Test: 34
Number of Questions in Preview: 5
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Which display is limited to a single pair of brightness or display levels?
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 2
The original role of an ultrasound system’s analog scan converter was to:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 3
In a standard cathode ray tube used to display ultrasound images, what are the charged particles that are emitted from the “gun” at the rear of the tube?
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 4
[cmimg]0/7499281_SJOIDQEC.png[/cmimg]What is the coating on the inner surface of a cathode ray tube that glows when it is struck by charged particles?
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 5
How does a cathode ray tube steer the charged particles so they sweep across the front screen? By:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |