Physics Exam 1
Authored by Kelsi B
Physics
University
NGSS covered
Used 7+ times
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62 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Blood flow towards the transducer = _____ frequency = _____ wavelength
Tags
NGSS.HS-PS4-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Doppler shift is _____ related to the frequency of the transmitted sound.
directly
inversely
Tags
NGSS.HS-PS4-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the diagram below at which point is pressure energy the greateset?
P
S
D
P and D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Flow away from the transducer = _____ frequency = _____ wavelength
Tags
NGSS.HS-PS4-1
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Is the process of extracting the low Doppler frequency from the higher transducer frequency
Tags
NGSS.HS-PS4-5
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