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The nuclear particles which are assumed to hold the nucleons together are ?

  • A.Mesons
  • B.Electrons
  • C.Neutrons
  • D.Positrons

Answer: A

Mesons are held to bind the nucleons.

Yukawa predicted in 1935 that a particle of intermediate mass carries the strong nuclear force, and the pion was found in 1947. The exchange of pions between protons and neutrons is the residual effect of the colour force acting between their quarks.

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