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What conditions would have to be met in order for an ambulance with its siren on not to exhibit the Doppler effect when it passes you?
Wiki User
∙ 7y ago
As far as I know, there will always be a Doppler effect when there is relative movement between the object that emits sound, and the observer (i.e. you, who are listening to the sound).
Wiki User
∙ 7y ago
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The changing pitch of a police cars siren as it moves by you is an example of what?
The Doppler effect
For the Doppler effect to occur?
For the Doppler effect to occur the measured object must be in motion (radial velocity) relative to the emitter of a wave.
How is the Doppler effect on light waves analogous to the apparent change in pich of a passing train whistle?
When the train gets close to you the sound wave are compressed making a higher pitch noise and as the train passes the sound waves become lengthened. That is the doppler effect in a nutshell. Now just compare it to how the doppler effect changes light waves.
Why would a passing race car display more Doppler effect than a passing police siren?
The amount of Doppler shift depends on speed - the faster vehicle will show more Doppler shift.
What is the name of the Austrian physicist who gave his name to a frequency variation effect?
Christian Doppler
What conditions would you have to be met in order for an ambulance with its siren on not exhibit the Doppler effect when it passes you?
It would have to move very, very slowly.
Why does a paramedic in an ambulance doesn't experience the Doppler effect the siren?
If the ambulance was moving either towards you or away from you it would exhibit the Doppler effect.I.E. Higher pitch if it was moving towards you and lower pitch if it was moving away from you.The change is most noticeable if the vehicle passes you. Presumably more noticeable with lower frequencies than higher frequencies.
What is the name of the effect the causes the pitch of an ambulance siren to change as it passes you?
The Doppler effect
What are some examples of the Doppler Effect?
i was taught that it is what an ambulance does when it goes past
As you drive down the road you see and hear an approaching ambulance How is the frequency you hear different from that being produced by the ambulance?
The wavelengths of the sound are compressed, making them shorter, and thus the frequency (and the pitch) higher. So the person in the oncoming car hears the siren operating at a higher pitch than the ambulance driver hears the same siren. This phenomenon is known as the Doppler effect.
What is the change in frequency of a sound due to motion of the source?
The change in frequency is caused by the Doppler Effect
Is true of the Doppler effect?
the Doppler effect involves moving objectsthe Doppler effect involves moving objects
What did Christian Doppler do?
He discoverd the Doppler effect
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.
The velocity of sound in air is 343 ms An ambulance is traveling east at 64.9 ms Behind it there is a car traveling along the same direction at 29.8 ms The ambulance driver hears his siren at a?
afrequency of the same as siren frequency as ambulance is the source and the observer this is not Doppler effect problem
Why big bang theory is presented?
It is quite clear, from the Doppler effect, that the Universe is expanding.It is quite clear, from the Doppler effect, that the Universe is expanding.It is quite clear, from the Doppler effect, that the Universe is expanding.It is quite clear, from the Doppler effect, that the Universe is expanding.
What does the Doppler Effect provide evidence for?
The Doppler effect proves that sound travels in waves.
