Q 11-05-072JEE MainJEE Main 2024 (6 Apr, Shift 1)Easy
Four particles $A, B, C, D$ of masses $\dfrac m2, m, 2m, 4m$ respectively have the same momentum. The particle with the maximum kinetic energy is
Answer: (B) $A$
$K = \dfrac{p^2}{2m}$. With equal momentum, the lightest particle has the largest kinetic energy: particle $A$ (mass $m/2$).
Solution by Sreeraj P, M.Sc Physics