MCQOPTIONS
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| 1. |
Number of neutrons in a parent nucleus \[X\], which gives \[_{7}{{N}^{14}}\] nucleus after two successive \[\beta \] emissions would be [CBSE PMT 1998; MP PMT 2003] |
| A. | 9 |
| B. | 8 |
| C. | 7 |
| D. | 6 |
| Answer» B. 8 | |