
The doppler effect
Authored by Layla Assafiri
Physics
11th Grade
Used 16+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The pitch of a sound wave relates to the wave's _________________.
Amplitude
Frequency
Wavelength
Period
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Doppler Effect?
A change in frequency due to the relative motion of a wave source and an observer
When a wave overlaps with another wave
When a wave bounces off of another object
When a wave bends due to traveling through a different medium
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An ambulance is driving towards you as you stand on the sidewalk. What happens to the pitch of the siren as it comes towards you?
It increases
It decreases
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You are standing on the side of the road when a police car races past you with its siren on. After the police car passes you, what happens to the pitch of the siren?
It increases
It decreases
It turns red
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Look at the picture. Who is experiencing a lower pitched sound?
Observer A
Observer B
There is no difference
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
when the frequency is higher what happens to the wavelength?
the wavelength gets longer
The wavelength gets shorter
the wavelength doesn't change
I have no idea
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When the car moves AWAY from you, its horn seems...
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