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1. |
In the radioactive decay \[_{92}{{X}^{232}}\to {{\,}_{89}}{{Y}^{220}}\], how many \[\alpha \] and \[\beta \]- particles are ejected from \[X\] to form \[Y\] [CBSE 1999] |
A. | \[3\alpha \] and \[3\beta \] |
B. | \[5\alpha \] and \[3\beta \] |
C. | \[3\alpha \] and \[5\beta \] |
D. | \[5\alpha \] and \[5\beta \] |
Answer» B. \[5\alpha \] and \[3\beta \] | |