
Doppler Shift Concepts and Applications

Interactive Video
•
Physics, Science, Mathematics
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the Doppler shift when the detector's speed is zero?
The frequency becomes infinite.
The frequency decreases.
The frequency increases.
There is no frequency shift.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Case 2, when the source moves and the detector is stationary, what happens to the wavefronts in front of the source?
They remain unchanged.
They spread out.
They compress.
They disappear.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the frequency change when a source approaches a stationary detector?
The frequency becomes zero.
The frequency remains the same.
The frequency decreases.
The frequency increases.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the Doppler shift when the source is stationary and the detector moves away?
The frequency becomes zero.
The frequency remains unchanged.
The frequency decreases.
The frequency increases.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of a longer wavelength on frequency?
It doubles the frequency.
It has no effect on frequency.
It decreases the frequency.
It increases the frequency.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What sign should be chosen in the Doppler shift equation to achieve a higher frequency when the source approaches the detector?
Positive sign in the numerator.
Negative sign in the denominator.
Positive sign in the denominator.
Negative sign in the numerator.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of using the 'granddaddy' Doppler shift equation?
It is easier to memorize.
It accounts for both moving sources and detectors.
It is more complex than other equations.
It only applies to stationary sources.
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