A nucleus , initially at rest, undergoes alpha decay according to _ Z ^ 232 X _ 90 ^…

PHYSICS · Single correct · CBSE · Physics · Nuclei · Nuclei

Problem

A nucleus

X

, initially at rest, undergoes alpha decay according to

{}_{Z}^{232}X\to{}_{90}^{A}Y+\alpha.

What fraction of the total energy released in the decay is the kinetic energy of the alpha particle? (1)

\frac{90}{92}

(2)

\frac{228}{232}

(3)

\sqrt{\frac{228}{232}}

(4)

\frac{1}{2}