Free Exam: PHYSICS: Chap 10: Exam - Chapters 9 & 10
Number of Questions in Test: 12
Number of Questions in Preview: 5
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The lateral resolution of your transducer is 3 mm. Two small structures are separated by 2 mm and lie side by side in relation to the sound beam's main axis. What will most likely appear on the display of the system?
The lateral resolution of your transducer is 3 mm. Two small structures are separated by 2 mm and lie side by side in relation to the sound beam's main axis. What will most likely appear on the display of the system?
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 2
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Find the length of the Fresnel Zone in a transducer with a diameter of 18 mm and a wavelength of .5 mm.
Find the length of the Fresnel Zone in a transducer with a diameter of 18 mm and a wavelength of .5 mm.
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 3
Calculate the angle of the far-field divergence for an 8 mm diameter crystal operating at 3 MHz.
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 4
If the near field length of an ultrasound beam is 5 cm, when does the beam diameter equal the diameter of the crystal?
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 5
The near field depth of a crystal with a 2.5 mm radius generating sound with a wavelength of 0.3 mm is:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |