Question

In which one of the following regions of the electromagnetic spectrum will be vibrational motion of molecules give rise to absorption-

• A. Ultraviolet
• B. Microwaves
• C. Infrared
• D. Radio waves

Answer 1

The correct option is B Microwaves

In the microwave region of the electromagnetic spectrum will be vibrational motion of molecules.

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Hence, $\left(B\right)$ is the correct answer.