Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 Physics Nuclear Physics Radioactivity

एक नाभिक \(_Z^AX\) से एक α कण एवं दो β कणों का उत्सर्जन होता है, तो परिणामी नाभिक है -

1
\(_{Z - 2}^{A - 4}Y\)
2
\(_{Z - 4}^{A - 6}Y\)
3
\(_{Z }^{A - 6}X\)
4
\(_{Z}^{A - 4}X\)
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