Mesons are particles that mediate the strong nuclear force.They are thought to travel at near the speed of light and exist over a distance between two nucleons in the nucleus $\backsim$1.5 fm.The mass of the mesons is of the order A)10 MeV/c². B)150 MeV/c². C)550 MeV/c². D)1000 MeV/c². E)3000 MeV/c².

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Both protons and neutrons experience strong nuclear force due to gluons exchanged between their quarks. These gluons form mesons, and as mentioned in the given information, these mesons exist over a distance of 1.5 fm. The mass of mesons is of the order of 150 MeV/c², which corresponds to choice B.

Mesons Are Particles That Mediate the Strong Nuclear Force ∽\backsim∽ 15 FmThe Mass of the Mesons Is of the Order A)10

Mesons Are Particles That Mediate the Strong Nuclear Force $\backsim$ 15 FmThe Mass of the Mesons Is of the Order
A)10