What is the Alpha line of Lyman series?

What is the Alpha line of Lyman series?

The Lyman-alpha line, typically denoted by Ly-α, is a spectral line of hydrogen (or, more generally, of any one-electron atom) in the Lyman series. It is emitted when the atomic electron transitions from an n = 2 orbital to the ground state (n = 1), where n is the principal quantum number.

What causes Lyman alpha emission?

The Lyman-alpha line in most LAEs is thought to be caused by recombination of interstellar hydrogen that is ionized by an ongoing burst of star-formation. Such Lyman alpha emission was first suggested as a signature of young galaxies by Bruce Partridge and P. J. E. Peebles in 1967.

What wavelength is Lyman alpha?

122 nm
There are clouds of gas between distant quasars and the Earth that absorb ultraviolet light at the wavelength of the Lyman alpha line of hydrogen at a wavelength of 122 nm.

What kind of radiation is the Lyman series?

spectral line series The Lyman series lies in the ultraviolet, whereas the Paschen, Brackett, and Pfund series lie in the infrared.

What is the shortest wavelength in Lyman series?

91.2 text nm
The shortest wavelength in Lyman series is 91.2 text nm .

What is the energy of the Lyman alpha photon?

13.6 eV
The Lyman limit is at the wavelength of 91.2 nm (912 Å), corresponding to a frequency of 3.29 million GHz and a photon energy of 13.6 eV. LyC energies are mostly in the ultraviolet C portion of the electromagnetic spectrum (see Lyman series).

What is the limit of Lyman series?

91.2 nm
The Lyman limit is the short-wavelength end of the hydrogen Lyman series, at 91.2 nm (912 Å). It corresponds to the energy required for an electron in the hydrogen ground state to escape from the electric potential barrier that originally confined it, thus creating a hydrogen ion.

What is the energy of the Lyman-alpha photon?

Can we see Lyman series?

The Lyman series is in the ultraviolet while the Balmer series is in the visible and the Paschen, Brackett, Pfund, and Humphreys series are in the infrared.

What is the maximum and minimum wavelength of Lyman series?

The longest and the shortest wavelengths of the Lyman series are 121.6nm and 91.2nm respectively. . The longest and the shortest wavelengths of the Balmer series are 656.3nm and 364.8nm respectively.

What is the highest wavelength of Lyman series?

The Lyman series

n 2 ∞, the Lyman limit
Wavelength (nm) 121.56701 91.1753

What causes the Balmer jump?

It is caused by electrons being completely ionized directly from the second energy level of a hydrogen atom (bound-free absorption), which creates a continuum absorption at wavelengths shorter than 364.5 nm.