0
Perhaps this broadening of the spectral line might be due to different propogation speeds under Doppler conditions when the emitting object is moving towards us? Therefore increasing the frequency shift and spreading the spectrum over a wider bandwidth.
Or perhaps
Take an amplitude modulated carrier wave with a fixed modulating frequency. Un-shifted the sidebands would remain constant in width. If the signal source was moving towards us the modulating frequency would also increase. The increased modulating frequency would move the sidebands further away from the carrier, increasing bandwidth or broadening the spectrum.
What else can I help you with?
The spectral lines from distant galaxies do not match spectral lines on Earth due to?
The spectral lines from distant galaxies do not match those on Earth because of the Doppler effect, cosmic expansion, and differences in elements present in the galaxies. These factors cause the observed spectral lines to be shifted or altered compared to what we see on Earth.
When an accretion disk viewed from the side will cause what to be present in the spectrum of a Seyfert galaxy?
When an accretion disk is viewed from the side in a Seyfert galaxy, it can cause broad emission lines in the spectrum due to the Doppler effect. The varying velocities of gas in the disk lead to redshifted and blueshifted emissions, resulting in a characteristic broadening of spectral lines. Additionally, the disk's temperature can contribute to a continuum emission that is often observed in the ultraviolet and optical wavelengths. This combination of features helps to identify the presence of an active galactic nucleus (AGN) in Seyfert galaxies.
The change in the Doppler effect causes what not to occur with it?
The change in the Doppler effect does not cause a change in the frequency of the wave source itself; it only affects how the frequency of the wave is perceived by an observer in relative motion to the source.
What are the dark lines in a stellar spectrum are called?
Fraunhofer realised that some of these dark lines were at the same position in effect called the Zeeman effect can also cause splitting of the spectral lines.
Why do the lines converge at high frequencies in the emission spectrum?
In an emission spectrum, lines converge at high frequencies due to the increased energy separation between quantized energy levels in atoms or molecules. As frequency increases, the energy levels become closer together, leading to more closely spaced spectral lines. Additionally, the broadening effects from factors like temperature and pressure can further cause these lines to merge, creating a convergence effect at high frequencies. This phenomenon reflects the underlying quantum mechanical properties of the particles involved.
The spectral lines from distant galaxies do not match spectral lines on Earth due to?
The spectral lines from distant galaxies do not match those on Earth because of the Doppler effect, cosmic expansion, and differences in elements present in the galaxies. These factors cause the observed spectral lines to be shifted or altered compared to what we see on Earth.
What was a Famous quote of Christian Doppler What are the names of Christian Dopplers parents?
Famous quote of Christian Doppler: "The effect, the cause, again the cause from the effect, the effect from the cause. Thus ever does the wheel of time revolve." Christian Doppler's parents were Johann Evangelist Doppler and Theresia Zacherl.
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.
In which case will the Doppler effect cause a listener to hear a higher frequency?
The Doppler effect will cause a listener to hear a higher frequency when the source of the sound is moving towards the listener. This causes the sound waves to be compressed, resulting in a higher perceived frequency.
The change in the Doppler effect causes what not to occur with it?
The change in the Doppler effect does not cause a change in the frequency of the wave source itself; it only affects how the frequency of the wave is perceived by an observer in relative motion to the source.
What does the Doppler effect cause?
The Doppler effect causes a shift in frequency or wavelength of a wave when there is relative motion between the source of the wave and the observer. This effect is commonly observed with sound waves, where the pitch of a sound appears higher as the source moves toward the observer and lower as the source moves away.
What changes are due to the Doppler effect?
The Doppler effect causes changes in the frequency, wavelength, and pitch of a wave when there is relative motion between the source of the wave and an observer. For sound waves, this effect explains shifts in pitch as a sound source moves towards or away from an observer. In terms of light, the Doppler effect can cause shifts in the color and frequency of light from an object that is moving relative to an observer.
The apparent change in frequency as a wave source moves in relation to the listener is called?
The Doppler effect is that apparent change of the frequency of a moving object when someone is stationary. A car may seem to get louder as it gets closer to a person and then the sound will drop as the car gets away.
Do traffic lights use Doppler effect?
No. If you're driving fast enough to cause a noticeable Doppler shift in the apparent color of the traffic lights, then you have several speeding tickets coming for sure, no questions asked.
What Doppler effect is the the change in sound caused by the motion of the sound source motion of the listener or both?
Both. The Doppler effect occurs when there is relative motion between the sound source and the listener. If either the source or the listener is in motion, it will cause a shift in the frequency of the sound waves that are perceived.
What are the dark lines in a stellar spectrum are called?
Fraunhofer realised that some of these dark lines were at the same position in effect called the Zeeman effect can also cause splitting of the spectral lines.
What would cause wavelengths to change?
A change in the medium through which the waves are traveling, like a change in density or temperature, can cause wavelengths to change. Also, the Doppler effect can cause the perceived wavelengths of waves to change when the source of the waves is in motion relative to the observer.
