The main visible difference between phosphorescent and fluorescent materials is
A) the greenish color of phosphorescence.
B) an afterglow.
C) a difference in brightness.

Question

Quizplus · Accepted Answer

Phosphorescent materials continue to glow after the excitation source is removed, which is referred to as an afterglow, whereas fluorescent materials stop glowing almost immediately after the source is removed.

The Main Visible Difference Between Phosphorescent and Fluorescent Materials Is