Atomic spectra is the study of the electromagnetic radiation emitted or absorbed by atoms. It is used to understand the energy levels and transitions of electrons within an atom.
The symmetrical lines in atomic spectra refer to the spectral lines that are produced when an electron transitions from an excited state to a lower energy level. These lines are symmetrical because they are produced at specific wavelengths and have equal intensity on both sides of the central wavelength.
n=1 refers to the lowest energy level or ground state of an atom. It is significant in atomic spectra because it is the starting point for all electron transitions and is used as a reference point for measuring energy levels.
Atomic spectra is used in various scientific research areas such as astronomy, chemistry, and physics. It is used to identify elements, study their properties, and understand the structure of atoms. It is also used in the development of new technologies such as lasers and atomic clocks.
Some techniques used to study atomic spectra include spectroscopy, which involves analyzing the light emitted or absorbed by atoms, and quantum mechanics, which uses mathematical models to describe the behavior of particles at the atomic level. Other techniques include mass spectrometry, electron microscopy, and X-ray crystallography.