👉 Spectrography is a scientific technique that involves observing and analyzing light waves, which are the fundamental particles of nature. This technique is used to study the properties of various materials and their interactions with other substances. In spectrographic analysis, light waves from different wavelengths are gathered by lenses or mirrors and then passed through an optical system, such as a prism, to create an image on a screen or monitor. The intensity of the light wave, which corresponds to its frequency, is measured using a