1.

An isotope of ?parent? is produced, when its nucleus loses [CPMT 1987; MP PET 1991]

A.                 One \[\alpha \]-particle
B.                 One \[\beta \]-particle
C.                 One \[\alpha \] and two \[\beta \]-particles
D.                 One \[\beta \]  and two  \[\alpha \]- particles
Answer» D.                 One \[\beta \]  and two  \[\alpha \]- particles


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