what is the study of the spectra produced from the emission and absorption of electromagnetic…

what is the study of the spectra produced from the emission and absorption of electromagnetic radiation?\nstudy of absorption spectrums\nstudy of emission spectrum\nnanotechnology\nspectroscopy
Answer
Brief Explanations:
Spectroscopy is the study of the interaction between matter and electromagnetic radiation, including the spectra from emission and absorption of such radiation. Absorption and emission spectrum studies are parts of spectroscopy, and nanotechnology is unrelated to this definition.
Answer:
D. spectroscopy