MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
What will be the relative population of atoms in a ruby layer that produces a light beam of frequency 6 X 1014 Hz at 300 K. |
| A. | e<sup>-85</sup> |
| B. | e<sup>-90</sup> |
| C. | e<sup>-95</sup> |
| D. | e<sup>-100</sup> |
| Answer» D. e<sup>-100</sup> | |