Physics Exam 1

When RBCs move away from the transducer, the Doppler shift is _____. This means the reflected (received) frequency is _____ than the transmitted frequency.

• positive, lower

• negative, higher

• positive, higher

• negative, lower

Tags

NGSS.HS-PS4-1

Blood flow towards the transducer = _____ frequency = _____ wavelength

Tags

NGSS.HS-PS4-1

Doppler shift is _____ related to the frequency of the transmitted sound.

• directly

• inversely

Tags

NGSS.HS-PS4-1

In the diagram below at which point is pressure energy the greateset?

• P

• S

• D

• P and D

Why is there a "2" in the Doppler equation?

• 2 velocity speeds during an US exam

• 2 Doppler shifts during an US exam

• 2 cos (angles) during an US exam

• 2 incident frequencies during an US exam

Flow away from the transducer = _____ frequency = _____ wavelength

Tags

NGSS.HS-PS4-1

Is the process of extracting the low Doppler frequency from the higher transducer frequency

Tags

NGSS.HS-PS4-5

defined by a magnitude and direction

Doppler transducer frequencies range from

Tags

NGSS.HS-PS4-1

When RBCs move toward the transducer, the doppler shift is _____. This means the reflected (received) frequency is _____ than the transmitted frequency.

• positive, higher

• negative, lower

• positive, lower

• negative, higher

Tags

NGSS.HS-PS4-1