Question #44

Which of the following will occur with an oblique ultrasound beam at the interface of two media, as it travels from one medium of low velocity to a medium of high velocity?

A. The beam will be refracted away from a perpendicular line to the interface between the media.
B. The beam will be refracted toward a perpendicular line to the interface between the media.
C. The beam will pass direction through the second medium without a change in path or angle.
D. Cannot be determined without more information.