

MCQOPTIONS
Saved Bookmarks
1. |
If the absorption of electromagnetic radiation by matter results in the emission of radiation of same or longer wavelengths for a long or a short time, the phenomenon is termed as which of the following? |
A. | Luminescence |
B. | Fluorescence |
C. | Phosphorescence |
D. | Spontaneous emission |
Answer» B. Fluorescence | |