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What does an absorption spectrum look like and how is it used in scientific research?
An absorption spectrum is a graph that shows how much light is absorbed by a substance at different wavelengths. It appears as a series of peaks and valleys. Scientists use absorption spectra to identify the chemical composition of a substance, study its properties, and understand its behavior in various conditions.
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What are some comparisons with a absorption spectrum and a continuous spectrum?
An absorption spectrum shows dark lines at specific wavelengths where light has been absorbed by a substance. A continuous spectrum shows all colors/wavelengths with no gaps, like the rainbow. The main difference is that the absorption spectrum has specific dark lines while the continuous spectrum is smooth and uninterrupted.
Why doesn't the action spectrum for photosynthesis exactly match the absorption spectrum of chlorophyll a?
The action spectrum for photosynthesis doesn't exactly match the absorption spectrum of chlorophyll a because other pigments, like chlorophyll b and carotenoids, also play a role in capturing light energy for photosynthesis. These additional pigments have absorption peaks at different wavelengths, contributing to the overall light absorption by the plant. As a result, the combined absorption spectra of all pigments involved in photosynthesis do not perfectly align with the action spectrum.
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.
How is the emission spectrum related to the absorption spectrum?
They are related by they are both spectrums that give the color(s) that the element is. The Emission Spectrum shows what color(s) it gives off, and the Absortion shows what color it absorbs and doesn't show. They also fit together and make a continuous spectrum.
How do you explain spectrum to children.?
You can explain spectrum to children by telling them that it is like a scale or a range. For example, colors can be arranged on a spectrum from red to violet. You can also use examples like musical notes on a spectrum from low to high pitch.
What are some comparisons with a absorption spectrum and a continuous spectrum?
An absorption spectrum shows dark lines at specific wavelengths where light has been absorbed by a substance. A continuous spectrum shows all colors/wavelengths with no gaps, like the rainbow. The main difference is that the absorption spectrum has specific dark lines while the continuous spectrum is smooth and uninterrupted.
Why doesn't the action spectrum for photosynthesis exactly match the absorption spectrum of chlorophyll a?
The action spectrum for photosynthesis doesn't exactly match the absorption spectrum of chlorophyll a because other pigments, like chlorophyll b and carotenoids, also play a role in capturing light energy for photosynthesis. These additional pigments have absorption peaks at different wavelengths, contributing to the overall light absorption by the plant. As a result, the combined absorption spectra of all pigments involved in photosynthesis do not perfectly align with the action spectrum.
What microscope can plot an absorption spectrum of the item under examination?
A spectrophotometer is an instrument commonly used to measure absorption spectra of samples. Microscopes do not typically have the capability to measure absorption spectra like a spectrophotometer can.
How is a substance's spectrum like a fingerprint?
A substance's spectrum is like a fingerprint because it provides a unique and characteristic pattern of wavelengths or frequencies associated with that substance. Just like how a fingerprint is unique to an individual, a substance's spectrum can be used to identify and distinguish it from other substances based on its specific pattern of absorption or emission 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.
What is quaternary sector?
Sector with jobs involved in hi-tech research like: ICT, scientific research,
How is the emission spectrum related to the absorption spectrum?
They are related by they are both spectrums that give the color(s) that the element is. The Emission Spectrum shows what color(s) it gives off, and the Absortion shows what color it absorbs and doesn't show. They also fit together and make a continuous spectrum.
What can be said about the star composition if the spectrum of a star shows the same absorption lines as the sun?
If the spectrum of a star shows the same absorption lines as the sun than you know that the star has the same composition as the sun. This means that the star is made of the same elements as the sun.
What is scientific journal?
It is like a diary that records research and data relating to science
How do the spectra of the sun and the green leaf compare?
The spectra of the sun and a green leaf are different. The sun's spectrum contains a wide range of colors, while a green leaf's spectrum is more focused on green wavelengths due to chlorophyll absorption.
Who pays for most of the scientific research done in the US?
The majority of scientific research in the US is funded by federal government agencies like the National Institutes of Health (NIH), National Science Foundation (NSF), and Department of Defense (DOD). Additionally, private foundations, industry-sponsored research, and philanthropic donations also contribute to funding scientific research.
What is an idea that can be tested by a scientific investigation?
An idea like that is in a scenario when research on the idea can prove it right or wrong.
