Physics
Absorption Spectroscopy
Quick fact
Absorption spectroscopy allows scientists to identify elements by observing which wavelengths of light they absorb.
Why this is interesting
Did you know that the color of a flower or the glow of a light bulb can reveal secrets about the atoms and molecules present?
Read the full explanation
Understanding Absorption Spectroscopy
Imagine shining a beam of light through a gas or liquid. Some colors of light are absorbed, while others pass through. The pattern of absorption reveals what substances are present and how they behave at the atomic level. This technique is like reading a fingerprint made by light itself.
A deeper explanation
Absorption spectroscopy works because atoms and molecules absorb specific wavelengths of electromagnetic radiation when their electrons transition between energy levels. When light passes through a sample, the absorbed wavelengths create dark lines in the spectrum. These unique patterns act as molecular fingerprints, allowing scientists to identify substances and study their properties with great precision.