0
What else can I help you with?
What type of spectrum does an incandescent light bulb produce?
An incandescent light bulb produces a continuous spectrum of light, which includes a wide range of wavelengths across the visible spectrum, as well as infrared and some ultraviolet light. This type of spectrum is characterized by smooth transitions between colors, lacking distinct lines or bands. The light is primarily generated by heating a metal filament, typically tungsten, until it glows, emitting light across a broad range of wavelengths. As a result, the light appears warm and has a yellowish hue.
The lines in the bright line spectrum of an atom are due to what?
The atomic line spectrum comes from the emission of atoms of different elements that are in an excited state. Each element has its own unique atomic emission spectrum.
What is the relationship between the colors you saw and the lines of the electromagnetic spectrum produced by the metals?
Each chemical element has a different spectrum; and each color has a specific wavelength.
What do scientist use to study shifts in wavelengths of light?
A spectroscope behaves in a similar manner to that of a prism.Except that instead of the light passing through a prism, it is reflected from a special surface called an optical grating. Or a diffraction grating.A diffraction grating has a multitude of fine lines drawn across it to produce a saw-tooth pattern. One face of the saw tooth pattern is silvered so it reflects light.(This is the pattern you see on one side of a CD.)The lines may be as finely spaced 5000 lines/mm.These reflection gratings (there can be transmission ones as well ) split the light beam into all its component colours.So if the light from a remote star (well they are mostly remote aren't they?) can be split up by the grating, and analysed for the spectral lines of particular elements. Beats travelling there!The 'rainbow' pattern you see on a CD will show this effect for similar reasons.If you angle the light from a fluorescent light on your CD, you'll find that it is NOT a continuous rainbow spectrum. It will have a green area, and a red area, etc, but with fairly sharp boundaries between the colours.These are the colours given off by the phosphors in the tube. If you try a tube with a different colour, you'll see a different pattern. And if you try some different CDs, you'll also see different patterns.
What does the term continuous mean in science?
Continuous means without interruption. For example, a continuous longitudinal study collects data from subjects over their full lifespan without breaks. Another example is a 'continuous line' is solid, while a 'dashed line' is a series of short lines.
When light having a continuous spectrum passes through a cool gas what kind of spectrum is produced?
When light with a continuous spectrum passes through a cool gas, it produces an absorption spectrum. In this process, specific wavelengths of light are absorbed by the gas atoms, which correspond to the energy levels of the electrons. As a result, the continuous spectrum shows dark lines, known as absorption lines, at the wavelengths where the gas has absorbed light. This phenomenon provides valuable information about the composition and properties of the gas.
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.
What is the difference between absorption and emission spectrum?
Emission spectrum: lines emitted from an atom.Absorption spectrum: absorbed wavelengths of a molecule.
What type of spectrum does an incandescent light produce?
There are no bright lines and no dark lines in the spectrum, incandescent light has a continuous spectrum with all visible colors present
What do you call a light spectrum that is not continuous?
A light spectrum that is not continuous is called a discrete or discontinuous spectrum. This means that instead of a smooth progression of colors, there are distinct individual colors or wavelengths present in the spectrum.
Narrow lines of colors with no light in between them are called what?
Narrow lines of colors with no light in between them are called dark lines. They are typically seen in the spectrum of light when certain wavelengths are absorbed or blocked.
When a light from a gas passed through a prism why is there only a certain number of lines rather then a continuous spectrum?
When light from a gas passes through a prism, the lines seen are caused by the specific wavelengths of light emitted or absorbed by the gas atoms. These lines correspond to the energy levels of the atoms, leading to discrete spectral lines rather than a continuous spectrum. Each line represents a transition between energy levels, resulting in distinct wavelengths being observed.
Dark lines in an absorption spectrum are called?
Dark lines in an absorption spectrum are called absorption lines. These lines correspond to wavelengths of light that have been absorbed by specific elements or molecules in the sample being analyzed. They appear as dips or gaps in the spectrum where less light is detected.
How are the continuous bright line spectrum and spectral lines similar?
In a continuous spectrum, you see every color in visible light from wavelengths around 380 nm to 780 nm. The bright light spectrum has only light at specific wavelengths, forming narrow regions of lights. This is characteristic of a particular substance, emitting these lights from its unique electron configuration. Light at specific wavelengths is emitted for different substances, but not a continuous rainbow.
How might the spectrum of an atom appear if its electrons were not restricted to particular energy levels?
If an atom's electrons were not restricted to particular energy levels, its spectrum would likely appear as a continuous spectrum rather than discrete lines. This is because the energy levels of the electrons in the atom contribute to the specific wavelengths of light emitted or absorbed, and without these restrictions, the energy transitions would be continuous, resulting in a continuous spectrum.
How can you Distinguish absorption spectrum from emission spectrum?
Emission spectra are bright-line spectra, absorption spectra are dark-line spectra. That is: an emission spectrum is a series of bright lines on a dark background. An absorption spectrum is a series of dark lines on a normal spectrum (rainbow) background.
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.
