0
What else can I help you with?
What is the Doppler Shift as it applies to light?
That's more or less the same as the Doppler shift for other waves: a change of frequency, caused by relative movement between the source and the observer. When the distance is increasing the wavelength of the light increases. When the source of light and the observer are getting closer, the light's wavelength decreases. Red light has a longer wavelength than blue light.
When the wavelength of a spectral line emitted from an object increases which end of the visible light spectrum does not move toward and what is the objects motion relative to earth?
Increasing wavelength is an indication of a Doppler shift caused by an object moving away from the viewer. Longer wavelengths (of the visible spectrum) are redder, shorter wavelengths are bluer. Objects moving away from you have a red shift, objects moving toward you have a blue shift.
How does the speed of a wave affect its wavelength?
This can be answered using light or sound. Light will remain at a constant speed regardless of frequency or amplitude. Its shift in frequency (Doppler shift) is caused by the extreme distances the light had to travel to get here. Still it remains at the same speed. Sounds speed will change with local conditions. Also subject to an audible Doppler shift when a constant note is moved past you you can hear the pitch shift. The motion compresses the sound as it approaches and spreads it out as it moves away from you.
What is the shift in the light of a galaxy toward the red wavelength called?
This phenomenon is called red shift.
What is the formula for determining wavelengths at which the the Stokes and anti-Stokes Raman lines would appear when wavenumber and wavelength of the laser are known?
The formula is: Wavelength of Stokes line = Wavelength of laser / (1 - wavenumber of Raman shift) Wavelength of anti-Stokes line = Wavelength of laser / (1 + wavenumber of Raman shift) Here, the wavenumber of the Raman shift is represented in reciprocal centimeters.
What is meant by red shift and what cause it?
Red shift is the phenomenon where light from an object in space appears to have a longer wavelength, shifting towards the red end of the spectrum. It is caused by the stretching of light waves due to the expansion of the universe, known as the Doppler effect.
How do you calculate red shift?
The spectrum of light emitted from heated hydrogen has dark lines, caused by the absorption of a very narrow wavelength band of light. These dark lines always take the same location relative to each other. If all the lines in an object's spectrum are shifted by the same amount, towards the red end of the visible spectrum, then the light is "red shifted." The amount of the shift is often described with a number 'z', where z equals the shift in wavelength divided by the wavelength as originally emitted by the object.
What is Doppler red shift?
Its part of science! Edit : In astronomy, the Doppler effect is the change in wavelength of light caused by movement of a light source such as a star or a whole galaxy. The term "red shift" refers to the increase in the light's wavelength from the blue to the red end of the spectrum. This happens when a light source is moving away from us. I don't want to over complicate things, but there is a similar thing called the "cosmological red shift ", but that's caused by the expansion of space itself.
What happens to the wave when you decrease the wavelength or increase the wavelength?
When you decrease the wavelength of a wave, its frequency and energy increase. This is known as blue shift and is common in light waves. Conversely, when you increase the wavelength of a wave, its frequency and energy decrease. This is known as red shift and is also observed in light waves.
What is the shift in wavelength?
The shift in wavelength refers to the change in the observed wavelength of a wave, typically due to the Doppler effect, where the source of the wave is moving relative to an observer. In astronomy, this shift can indicate whether an object is moving toward or away from us, with a blue shift indicating motion towards the observer and a red shift indicating motion away. This concept is crucial for understanding the motion of celestial bodies and the expansion of the universe.
How does a red shift from a blue shift?
A red shift shows us that a object is moving away, while a blue shift shows us an object is moving toward us. Light that has been 'red shifted' has a longer wavelength when it reaches our eyes/telescopes/etc. than it had when it left the object. Light that has been 'blue shifted' now has a shorter wavelength. The reason stretching the wavelength is known as 'red shifting' is that, in the visible spectrum, red light has the longest wavelength. Blue light has a much shorter wavelength than red so when the wavelength is compressed, we call it blue shifting.
What is an increase in the wavelength of light as a galaxy moves away from earth?
Red Shift
