Question

why the spectral lines in higher order spectra are well separated?

Answer 1

A spectral line is a dark or bright line in an otherwise uniform and continuous spectrum, resulting from emission or absorption of light in a narrow frequency range, compared with the nearby frequencies. Spectral lines are often used to identify atoms and molecules

Answer 2

Answer:

A spectral line is a dark or bright line in a spectrum that is otherwise uniform and continuous, caused by the emission or absorption of light in a specific restricted frequency range as opposed to frequencies close by. Atoms and molecules are frequently recognized using spectral lines. These "fingerprints" may be used to identify the atomic and molecular components of stars and planets, which would otherwise be impossible, by contrasting them with those of atoms and molecules that have already been gathered.

The Rydberg formula provided wavelength information and allowed for the division of the atomic hydrogen emission spectrum into a number of spectral sequences. The transitions of an atom's electron between two energy levels are what cause the spectral lines to be seen.

At an energy-consistent pace, an electron revolves around a nucleus. The color photons that may be observed as emission lines in the visible region of the em spectrum when electrons descend down to the n = 2 orbits emit a certain frequency as they do so.

introduction to the subject

A line spectrum is a collection of distinct wavelengths generated by gaseous atoms, whereas a band spectrum is a collection of closely spaced lines divided by dark regions known as bands and is created by molecules.

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When a molecule is exposed to radiation, rotational or vibrational motions will also occur in addition to the excitation. This explains why the multiple-line spectrum is referred to as a band spectrum.

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