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In the Doppler effect lab, we demonstrated that the speed of a sound source affects the pitch perceived by an observer. As the source moves towards the observer, the frequency (pitch) increases, and as the source moves away, the frequency decreases. This change in frequency is due to the compression and rarefaction of sound waves as the source moves relative to the observer.

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1y ago

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In the Doppler effect lab what statement best describes what you demonstrated about speed and pitch?

In the Doppler effect lab, we demonstrated that the perceived pitch of a sound changes depending on the motion of the source and observer. As the source moves towards the observer, the pitch increases, while as the source moves away, the pitch decreases. This change in pitch is due to the compression or expansion of the sound waves as they travel through the medium.


A detected apparent change in the pitch caused by the motion of a sound source or of an observer is called?

The Doppler effect.The Doppler effect.The Doppler effect.The Doppler effect.


A change in pitch or wave frequency due to a moving wave source is an instance of the?

Doppler effect. This phenomenon describes the change in frequency or pitch of a wave when the source of the wave is in motion relative to the observer.


The changing pitch of a police cars siren as it moves by you is an example of what?

The Doppler effect


What exactly is the Doppler effect?

The Doppler effect is the change in frequency of a sound wave. The Doppler effect causes a siren or engine to have a higher pitch when it is approaching than it does when it is receding.


How can you use Doppler effect in a sentence?

Example sentence - We are learning to what the doppler effect is and how to use it.


What effect causes a siren to change in pitch as it passes by?

doppler effect


What is the difference between pitch and Doppler effect?

Pitch refers to how high or low a sound is perceived, whereas the Doppler effect refers to the change in frequency of a wave as the source and observer move relative to each other. Pitch is subjective to our perception, while the Doppler effect is a physical phenomenon that can be measured.


What is the name of the effect that describes how the pitch of a sound seems higher as it gets closer and lower as it gets farther away?

This is called the Doppler effect. Because air is compressible, that causes sound waves to lengthen the further you get from the source. This is also how radar speed detection works. The device calculates the rate of the Doppler shift to determine the speed of the car or other object being measured.


What will the Doppler effect cause the pitch of an object to do?

The pitch will increase if the object approaches, decrease if the object recedes.


What is the name of the effect the causes the pitch of an ambulance siren to change as it passes you?

The Doppler effect


The change in pitch by an object's movement is called what?

Do you mean "The Doppler Effect"?