Zusammenfassung der Ressource
Frage 1
Frage
What is the Doppler Effect?
Antworten
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When the frequency of a wave is shifted upwards.
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When two waves of the same frequency and speed travells in opposite directions.
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The difference between the observed frequency and the actual frequency.
Frage 2
Frage
If a moving ambulance is emitting sound waves and is approaching a stationary observer, how will the frequency be shifted?
Antworten
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Increased and shortened.
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Increased and extended.
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Decreased and shortened.
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Decreased and extended.
Frage 3
Frage
Is the Doppler equations straightforward?
Frage 4
Frage
Is the Doppler Effect common to all waves?
Frage 5
Frage
What must be fulfilled in solving problems about electromagnetic waves?
Frage 6
Frage
Is the actual frequency denoted as f ' ?
Frage 7
Frage
If a moving source is moving away from the observer is the sign in the equation positive?
Frage 8
Frage
If the observer is moving away from a stationary source is sign in the equation positive?