Q. In which one of the following regions of the electromagnetic spectrum will the vibrational motion of molecules give rise to absorption
A) Ultraviolet
B) Microwaves
C) Infrared
D) Radio waves
Explanation
(b) Molecular spectra due to vibrational motion lie in the microwave region of EM-spectrum. Due to Kirchhoff’s law in spectroscopy the same will be absorbed
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.