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A correct use of a star's emission spectrum would involve analyzing the patterns of spectral lines produced by elements within the star's atmosphere. By comparing these lines to known atomic transitions, scientists can determine the chemical composition and physical properties of the star, such as temperature and density. This information helps astronomers classify stars based on their spectral type and understand their evolutionary stage.
What else can I help you with?
Why would the absorption spectrum of each element have lines in the same places as in its emission spectrum?
The absorption spectrum of an element have lines in the same places as in its emission spectrum because each line in the emission spectrum corresponds to a specific transition of electrons between energy levels. When light is absorbed by the element, electrons move from lower energy levels to higher ones, creating the same lines in the absorption spectrum as the emission spectrum. The frequencies of light absorbed and emitted are the same for a specific element, resulting in matching lines.
Would the atomic emission spectrum for each sample change if you repeated the procedure?
No, the atomic emission spectrum for a specific element will not change if you repeat the procedure under the same conditions. Each element has a unique set of energy levels, so the spectral lines emitted are constant.
If you wanted determine the temperature of a star what measurements would you make?
Emission Spectrum
Why are there no purple stars?
Basically it has to do with the blackbody spectrum. Hot objects emit a broad spectrum of light, not just a single color. At the point where the temperature is such that the blackbody radiation peaks in the ultraviolet the overall spectrum is such that the emitted light appears to us as largely blue. There may well be purple stars, but from our eyes, they appear blue. Our eyes, slightly deceive us. See the related link for a picture of how our eyes perceive colour at a given temperature, and another for a video explaining in detail this question. Our Sun would appear a kind of peach, if we had eye's better developed to a blackbody spectrum Purple is a combination of blue and red. The light emitted by a star is of such a nature (black body radiation curve) that there is one predominate colour and lesser component of lower frequencies. (Higher frequencies are rapidly attenuated.) It is therefore impossible to get two colour emission peaks in both the blue and red of equal intensity - consequently no purple stars. However you could have two stars closely orbiting each other: one blue and the other a red super giant, that at a great distance would look like a purple star, or a red star with a super hot white dwarf, that would work too. Interesting to note, the star Algol might fulfill this combination.
How would it be possible to identify the gases in the other light sources based on their emission spectra?
You can use a spectrometer to analyze the emission spectra of the light from these sources. By comparing the spectral lines to known patterns for different gases, you can identify the gases present. Each gas has a unique set of spectral lines due to the arrangement of its energy levels, making it possible to determine the composition of the gas based on its emission spectrum.
Is it possible for two metals to have the same emission spectrum?
No. It is not possible for two metals to have the same emission spectrum. For metals to have the same emission spectrum, they would need for their electrons to have duplicate orbitals. That would be impossible due to the exclusion principle.
Image of emission or absorption spectrum of manganese?
This would consist of several series of lines corresponding to the energies of electron transitions. They are bright lines for an emission spectrum and dark for absorbtion.
If you wanted to determine the temperature of a star what measurement would you take?
emission spectrum
Why would the absorption spectrum of each element have lines in the same places as in its emission spectrum?
The absorption spectrum of an element have lines in the same places as in its emission spectrum because each line in the emission spectrum corresponds to a specific transition of electrons between energy levels. When light is absorbed by the element, electrons move from lower energy levels to higher ones, creating the same lines in the absorption spectrum as the emission spectrum. The frequencies of light absorbed and emitted are the same for a specific element, resulting in matching lines.
Which of the three types of spectrum would be observed?
The type of spectrum observed would depend on the source of light. A continuous spectrum is produced by a hot, dense object like a solid, liquid, or dense gas. An emission spectrum is generated by a thin, hot gas, while an absorption spectrum is created by a cooler gas in front of a light source.
Why is the emission spectrum of hydrogen a line spectrum and not a continuous spectrum?
It's a line spectrum because of the quantization of energy- meaning you only see energy with levels n=1,2,3.... One would never see the energy level n=2.8 for instance- that would be the case if it were continuous rather than a line spectrum.
Would the atomic emission spectrum for each sample change if you repeated the procedure?
No, the atomic emission spectrum for a specific element will not change if you repeat the procedure under the same conditions. Each element has a unique set of energy levels, so the spectral lines emitted are constant.
The Orion nebula m 42 is a hot thin cloud of glowing gas so its spectrum is?
The spectrum of the Orion Nebula (M42) would show emission lines typical of hot, ionized gas, such as hydrogen-alpha and doubly ionized oxygen. This is because the gas in the nebula is being energized by nearby hot stars, causing it to emit light at specific wavelengths.
Explain the effect of the nitrate ion in solution on the color emission?
The presence of the nitrate ion in solution typically does not have a direct effect on color emission. Nitrate ions are typically colorless and do not absorb visible light that would result in color emission. However, in some cases, nitrate ions can indirectly affect color emission by participating in complex chemical reactions that result in color changes.
What you observe if light from argon gas were passed through a prism?
If light from argon gas were passed through a prism, you would observe it splitting into its different wavelengths or colors, creating a spectrum. The spectrum produced would consist of a few distinct lines corresponding to the specific wavelengths of light emitted by the excited argon atoms. This pattern of lines is known as an emission spectrum and can be used to identify the presence of argon gas.
Suppose you want to know the chemical composition of a distant star Which piece of information is most useful to you?
The star's absorption spectrum would be most useful in determining its chemical composition. By studying the specific wavelengths of light that are absorbed by elements in the star's atmosphere, scientists can identify the presence of different elements and molecules.
If you wanted determine the temperature of a star what measurements would you make?
Emission Spectrum
