Free Exam: PHYSICS: Chap 2: Acoustic Variables - Pretest
Number of Questions in Test: 20
Number of Questions in Preview: 5
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[cmimg]0/7499281_9841OECH.png[/cmimg]
The period of a wave is directly related to:
The period of a wave is directly related to:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 2
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"In transthoracic echocardiography an appropriate frequency for a wavelength of 0.1 to 1 mm is 1 to 10 MHz."
"In transthoracic echocardiography an appropriate frequency for a wavelength of 0.1 to 1 mm is 1 to 10 MHz."
| Type: | True/False |
| Points: | 1 |
Question 3
Propagation speed is defined as the:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 4
Which of the following is impossible as an ultrasound wave travels through the body? The:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 5
When many small wavelets converge into a single beam, the process is referred to as constructive and destructive:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |