Q. Which of the following processes represents a $\gamma$-decay?
A) $\ _{Z}X^{A} + \gamma \longrightarrow_{(Z - 1)}X\ ^{A + a + b}$
B) $\ _{Z}X^{A} +_{0}n^{1} \longrightarrow_{(Z - 2)}X\ ^{(A - 3)} + C$
C) $\ _{Z}X^{A} \longrightarrow_{Z}X\ ^{A}$+$\gamma$
D) $\ _{Z}X^{A} + \ _{- 1}e^{0} \longrightarrow \ _{A - 1}X\ ^{A + g}$
Explanation
(c) During $\gamma$-decay, neither charge number $Z$ nor mass number $A$ changes. So the only correct option is (c).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.