0
The absorption spectrum of argon has a line at 515 nm what is the energy of this line?
3.86 x 10-19 J
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.
What is the transition energy for an absorption line NM?
The transition energy for an absorption line in the electromagnetic spectrum is the energy difference between two quantum states of an atom or molecule involved in the absorption process. It corresponds to the specific wavelength or frequency of light absorbed when an electron transitions from a lower energy level to a higher one. This energy can be calculated using the equation ( E = h \nu ) or ( E = \frac{hc}{\lambda} ), where ( E ) is the transition energy, ( h ) is Planck's constant, ( \nu ) is the frequency, ( c ) is the speed of light, and ( \lambda ) is the wavelength. Each element or molecule has unique absorption lines characteristic of its electronic structure.
The lowest wave no. absorption line in the rot. spectrum of NO molecule is at 3.440 cm-1. Calculate the corresponding frequency of absorption Which are the two energy level of transition?
The corresponding frequency of absorption is 3.440 cm-1 * 2.99792 x 10^10 cm/s = 1.032 x 10^11 Hz. The two energy levels involved in this transition correspond to the rotational energy levels of the NO molecule.
Why does in line spectrum there is spaces between spectrum whereas in continuous it is not so?
In case of continuous spectrum we have all sorts of frequencies. This ensures that probability of transfer of electrons at various energy levels are equally available. But in case of line spectrum it is some how a characteristic which is restrained with the transfer of electrons in specified energy levels.
What conditions lead you to see an absorption line spectrum from a cloud of gas in interstellar space?
The actual presence of the gas cloud's contents will absorb certain wavelengths of Light, preventing the passage of certain photons through the cloud, that results in that Light not reaching us - producing a blank line in the observed spectrum.
What causes spectra lines?
Absorption of energy at atom energy levels cause the line spectrum.
Is an absorption spectrum also called a bright line spectrum?
No, an absorption spectrum and a bright line spectrum are not the same. An absorption spectrum is produced when light is absorbed by atoms or molecules, showing dark lines at specific wavelengths. On the other hand, a bright line spectrum is produced when atoms or molecules emit light at specific wavelengths, creating bright lines in the 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.
What is a dark line found in a spectrum is called?
A dark line found in a spectrum is called an absorption line. Absorption lines are created when atoms or molecules absorb specific wavelengths of light, resulting in dark lines in the spectrum where that light is missing.
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.
What is the second longest wavelength in the absorption spectrum of hydrogen?
The second longest wavelength in the absorption spectrum of hydrogen corresponds to the transition from the n=2 to n=4 energy levels. This transition produces a spectral line known as the H-alpha line, which falls in the red part of the visible spectrum at a wavelength of 656.3 nm.
What does a star's dark-line spectrum reveal?
The dark lines reveal the atoms that are associated with the stars atmosphere. The dark lines are atom energy absorption signatures.
What spectrum is evidence for quantized change?
The electromagnetic spectrum provides evidence for quantized changes in energy levels of atoms. This is seen in the emission or absorption of specific discrete frequencies of light, which is a result of electrons jumping between quantized energy levels within the atom. This phenomenon is described by quantum mechanics.
What conditions produce a dark-line spectrum?
An absorption spectrum can tell the astronomer or physicist what elements are in the starlight being observed. A diffraction grating is used to split the incoming light into a spectrum of colors. Sodium, for example, causes dark Fraunhofer lines at known points in the visible spectrum. Helium was discovered in the solar spectrum by Bunsen and Kirchoff using this technique. Hence the name derived from Helios for the Sun.
How is the bright light spectra of elements produced?
An emission or absorption line in a spectrum that arises when an electron moves between two energy levels in an atom. A jump to a higher level requires an input of energy, and produces a dark absorption line. A drop to a lower level releases energy, producing a bright emission line.
What does a dark line in a spectrum mean?
A dark line in a spectrum, also known as an absorption line, represents a specific wavelength of light that has been absorbed by a substance between the source of light and the observer. The presence of dark lines in a spectrum can provide information about the composition and properties of the absorbing material.
What did the line spectrum prove the existence of?
the existence of released energy
