The attractive force between protons and neutrons in the nucleus is brought about by the exchange of a virtual pi-meson (m $\pi$ = 140 MeV/c2).Estimate the longest time a virtual $\pi$0 can exist, in accordance with the uncertainty principle .(1 eV = 1.6 * 10-19 J.)
A)2.4 * 10-24 s
B)6.9 * 10-27 s
C)3.3 * 10-18 s
D)2.4 * 10-21 s
E)1.6 * 10-19 s

Question

The attractive force between protons and neutrons in the nucleus is brought about by the exchange of a virtual pi-meson (m $\pi$ = 140 MeV/c2).Estimate the longest time a virtual  $\pi$0 can exist, in accordance with the uncertainty principle .(1 eV = 1.6 * 10-19 J.) 
A)2.4 * 10-24 s 
B)6.9 * 10-27 s 
C)3.3 * 10-18 s 
D)2.4 * 10-21 s 
E)1.6 * 10-19 s

Quizplus · Accepted Answer

The Answer of The attractive force between protons and neutrons in the nucleus is brought about by the exchange of a virtual pi-meson (m $\pi$ = 140 MeV/c2).Estimate the longest time a virtual  $\pi$0 can exist, in accordance with the uncertainty principle .(1 eV = 1.6 * 10-19 J.) 
A)2.4 * 10-24 s 
B)6.9 * 10-27 s 
C)3.3 * 10-18 s 
D)2.4 * 10-21 s 
E)1.6 * 10-19 s

The Attractive Force Between Protons and Neutrons in the Nucleus π\piπ

The Attractive Force Between Protons and Neutrons in the Nucleus $\pi$