Question

WHICH SCIENCTIST HAD DICOVERED THE EMMISION AND ABSORBTION SPECTRA ?

Answer 1

Answer:

1. In 1801 William Wollaston observed a rainbow in close detail and noticed tiny dark lines in the visible spectrum.
2. A major advance was made in 1859 by Gustav Kirchhoff and Robert Bunsen that explained why the dark lines occur.

Explanation:

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Answer 2

Answer:

in 1801 william wollaston observed a rainbow in close detail and noticed tiny dark lines in the visible spectrum. ...

a major advance was made in 1859 by gustav kirchhoff and robert bunsen that explained why the dark lines occur. ...

below is an interactive illustration.

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