Absorption spectroscopy is a technique that measures the wavelength of light by the sample due to the interaction between light and sample.
It is used the determination the structure of various substances.
Principle of Absorption Spectroscopy:
It is based on the principle that materials or samples have a specific range of radiation (absorption spectrum) absorbed by them.
The absorption spectrum of materials depends upon the atomic and molecular composition of the sample.
When a photon (radiation) of sufficient energy falls on the sample, the amount of radiation absorbed by the sample gives an absorption spectrum which is measured in terms of absorbance.