MCQOPTIONS
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| 1. |
The velocity of a fast moving neutron is?$ |
| A. | 2 m/s |
| B. | 2.4 x 10<sup>10</sup> m/s |
| C. | 4.4 x 10<sup>10</sup> m/s |
| D. | 4.4 x 10<sup>6</sup> m/s |
| Answer» E. | |