Nuclei

Question: A nucleus decays by ${\beta ^ + }$ emission followed by a gamma emission. If the atomic and mass numbers of the parent nucleus are Z and A respectively, the corresponding numbers for the daughter nucleus are respectively.

1) $Z - 1$ and $A - 1$

2) $Z + 1$ and $A$

3) $Z - 1$ and $A$

4) $Z + 1$ and $A - 1$

Solution:

Explanation: No Explanation

Radioactivity Modern Physics

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