MCQOPTIONS
Saved Bookmarks
| 1. |
The ratio of the energy of a photon with \[\lambda =150\,nm\] to that with \[\lambda =300\,nm\] is [DCE 2003] |
| A. | 2 |
| B. | 1/4 |
| C. | 4 |
| D. | 1/2 |
| Answer» B. 1/4 | |