absorption spectrum
Plural
absorption spectra
1
a range of wavelengths of electromagnetic radiation absorbed by a substance, typically represented as a graph showing absorption intensity versus wavelength
- Scientists use an absorption spectrum to identify chemical elements and compounds by analyzing the specific wavelengths of light they absorb.
- The absorption spectrum of chlorophyll in plants reveals the wavelengths of light it absorbs for photosynthesis.
- Astronomers study the absorption spectra of stars to determine their chemical composition and temperature.
- Infrared spectroscopy measures the absorption spectrum of molecules, aiding in the identification and analysis of organic compounds.
- Medical diagnostics employ the absorption spectra of tissues to detect abnormalities and diseases based on light absorption patterns.