Fluorescence occurs when samples of some materials are exposed to rays of which EMR region?
A) Ultraviolet
B) Infrared
C) Visible
D) Microwave

Question

Quizplus · Accepted Answer

Fluorescence typically occurs when materials are exposed to ultraviolet (UV) light, which excites electrons to a higher energy state. When these electrons return to their ground state, they emit light, often in the visible spectrum.

Fluorescence Occurs When Samples of Some Materials Are Exposed to Rays