Spectroscopy, a powerful analytical technique, enables the study of the interaction between matter and electromagnetic radiation. This lab report presents a comprehensive exploration of spectroscopy, focusing on its principles, methodologies, and applications in various. Experiment 7: Spectroscopy Introduction: Spectroscopy is defined as a process and lab technique that allows us to obtain a spectrum, a graph depicting the intensity of a certain signal or physical process at different wavelengths or energies. In our lives, spectroscopy can be used to assess the. A spectrophotometer is a scientific instrument that measures the intensity of light as it passes through a sample solution. By passing a specific wavelength of light through a liquid, the instrument detects how much light is absorbed or transmitted by the chemical components within the sample. The. to interpret spectral data. Use textbo ks and TA's as resources. By. Once all 5 solutions were made, each solut ion was placed into a cuvette and the absorbance of each solution was found by a spectrom eter set at a wavelength of 512 nm. spectrometer before every absorbance reading. The analysis is based on the different diffraction of light.