spectral line
optical phenomenon
K-alpha
Spectral line
H-alpha
specific hydrogen spectral line in the Balmer series
forbidden mechanism
spectral line associated with absorption or emission of light by atomic nuclei, atoms, or molecules
absorption line
range on the electromagnetic spectrum which are characteristic of a certain transition from initial to final state in a substance
absorption line
range on the electromagnetic spectrum which are characteristic of a certain transition from initial to final state in a substance
hydrogen line
spectral line of hydrogen state transitions
Fraunhofer lines
spectral lines of the Sun
Lyman-alpha line
spectral line of hydrogen in the Lyman series