Question

what is Absorption spectrum ?


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Answer 1

Answer:

: an electromagnetic spectrum in which a decrease in intensity of radiation at specific wavelengths or ranges of wavelengths characteristic of an absorbing substance is manifested especially as a pattern of dark lines or bands.

An absorption spectrum occurs when light passes through a cold, dilute gas and atoms in the gas absorb at characteristic frequencies; since the re-emitted light is unlikely to be emitted in the same direction as the absorbed photon, this gives rise to dark lines (absence of light) in the spectrum

Answer 2

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Absorption spectrum occurs when the light passes through a cold,dilute gas and atoms in the gas absorb at characteristic frequencies and re-emits. Showing dark lines or bands due to absorption at specific wavelengths.

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