MCQOPTIONS
Saved Bookmarks
| 1. |
The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second. |
| A. | 1100 |
| B. | 2200 |
| C. | 3300 |
| D. | 4400 |
| Answer» C. 3300 | |