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Explain at the atomic/molecular level why each of the following are generated line spectra band spectra...

Explain at the atomic/molecular level why each of the following are generated

line spectra

band spectra

continuum spectra

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Answer #1

line spectra :    this spectra will be given by atoms / elements

when a gas or a vapour of metal is kept in a discharge tube and a high potential is applied, line spectrum is formed. Each element has its own characteristic line spectrum.

band spectra    this is givens by molecules

Band spectra is the group of lines that are closely spaced and arranged in a regular sequence that appears to be a band. It is a colored band, separated by dark spaces on the two sides and arranged in a regular sequence

continuum spectra

The spectrum of white light that ranges from violet to red, such spectrum is called continuous spectrum.

Example:      VIBGYOR

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