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Questions and Answers
Which type of incidence occurs when the incident beam strikes the media boundaries at a 90° angle?
Which type of incidence occurs when the incident beam strikes the media boundaries at a 90° angle?
- Acute-angle Incidence
- Oblique Incidence
- Obtuse-angle Incidence
- Perpendicular Incidence (correct)
What happens to the transmitted beam in Perpendicular Incidence?
What happens to the transmitted beam in Perpendicular Incidence?
- It is reflected back
- It is absorbed by the media
- It continues on through the tissue (correct)
- It changes direction
Which factor is directly related to the amount of reflection that occurs in Perpendicular Incidence?
Which factor is directly related to the amount of reflection that occurs in Perpendicular Incidence?
- Incident angle
- Transducer frequency
- Critical angle
- Impedance of the media (correct)
What is the critical angle in 2D imaging?
What is the critical angle in 2D imaging?
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When does 100% reflection occur in Perpendicular Incidence?
When does 100% reflection occur in Perpendicular Incidence?
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