Doppler Effect Warm-Up
Flashcard
•
Physics
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Doppler Effect?
Back
The change in frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source.
2.
FLASHCARD QUESTION
Front
How does the frequency of sound change as the source approaches an observer?
Back
The frequency of the sound increases as the source approaches.
3.
FLASHCARD QUESTION
Front
What happens to the frequency of sound when the source moves away from the observer?
Back
The frequency of the sound decreases as the source moves away.
4.
FLASHCARD QUESTION
Front
What happens to the wavelength of sound waves when the source is moving away from the observer?
Back
The wavelength increases.
5.
FLASHCARD QUESTION
Front
What is a real-life example of the Doppler Effect?
Back
The change in pitch of a siren as an ambulance passes by.
6.
FLASHCARD QUESTION
Front
What is the relationship between frequency and wavelength in sound waves?
Back
As frequency increases, wavelength decreases, and vice versa.
7.
FLASHCARD QUESTION
Front
What is the effect of a moving sound source on the observed pitch?
Back
The observed pitch increases as the source approaches and decreases as it moves away.
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