relate the spectral lines to energy levels in an atom and the term quanta

Relate spectral lines to energy levels in an atom and to the term quanta. When atoms absorb energy and are in their excited state, their electrons “jump” to higher energy levels. The electrons have to lose this energy in order to “jump” back to their original energy level, and they do this by emitting light.

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moya1316 moya1316 · Answer 2 · 2021-11-26T11:17:06+01:00

Einstein's explanation of the photoelectric effect allows us to find why the rays of light emitted by atoms are called quanta;

The word quanta is used when you want to identify that these rays have particle properties.

The spectral lines are the atomic transitions from states of an atom and correspond to the difference in energy of the states involved, emitting electromagnetic radiation.

Einstein in his explanation of the photoelectric effect assumed that the light rays were made up of particles that he called quanta, this name has been kept for how much one wants to identify a ray of electromagnetic energy as particles .

Consequently, when you want to take into account that light rays can be particles, they are called quanta.

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