Q. $\pi$ mesons can be
A) $\pi^{+}$ or $\pi^{-}$
B) $\pi^{+}$ or $\pi^{0}$
C) $\pi^{-}$ or $\pi^{0}$
D) $\pi^{+},\pi^{-}$ or $\pi^{0}$
Explanation
(d) $p \rightarrow \pi^{+} + n,n \rightarrow p + \pi^{-}$ and $n \rightarrow n^{'} + \pi^{0}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.