What is absorption spectrumand how it works.

1.	What is absorption spectrumand how it works.
Answer» a spectrum of electromagnetic radiation TRANSMITTED through a substance, showing dark lines or BANDS due to absorption at specific wavelengths.The SAMPLE absorbs energy, i.e., PHOTONS, from the radiating field. The intensity of the absorption varies as a function of frequency, and this variation is the absorption spectrum. Absorption spectroscopy is performed across the electromagnetic spectrum. ... The transmitted energy can be USED to calculate the absorption.

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What is absorption spectrumand how it works.

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