Q. In the nuclear reaction $\ _{85}X^{297} \rightarrow Y + 4\alpha,Y$ is
A) $\ _{76}Y^{287}$
B) $\ _{77}Y^{285}$
C) $\ _{77}Y^{281}$
D) $\ _{77}Y^{289}$
Explanation
(c) $\ _{85}X^{297} \rightarrow \ _{77}Y^{281} + 4(\ _{2}He^{4})$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.