MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
Mass of neutron is |
| A. | 1.67 x 10-31 kg |
| B. | 1.67 x 10-27 kg |
| C. | 9.1 x 10-31 kg |
| D. | 1.67 x 10-19 kg |
| Answer» C. 9.1 x 10-31 kg | |