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Explain how each of the following processes occur absorption emission

Explain how each of the following processes occur

absorption

emission

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Answer #1

absorption spectra :

When white light is passed through a gas and the emergent beam of light is allowed to fall on a photographic plate, the spectrum obtained is called absorption spectrum”. As the substance absorbs certain portion of white light dark lines appear on the bright background

emission spectra :

The spectra obtained by the emission of energy by the excited atoms are called emission spectra”. These spectra consist of bright lines on the dark background

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