JAMB - Physics (1982 - No. 34)
In a radioactive series
\( ^{235} _{92}L \to ^{235} _{92}M \to ^{231} _{90}N \to ^{231} _{91}\phi \)
The particles emitted are respectively
\( ^{235} _{92}L \to ^{235} _{92}M \to ^{231} _{90}N \to ^{231} _{91}\phi \)
The particles emitted are respectively
\( \beta , \beta , \alpha \)
\( \alpha , \gamma , \beta \)
\( \gamma , \alpha , \beta \)
\( \alpha , \alpha , \beta \)
\( \beta , \alpha , \beta \)