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Which of these are not fundamental particles, but are composites of quarks held together by gluons?...

Which of these are not fundamental particles, but are composites of quarks held together by gluons?

Select all that apply.

a) Protons

b) Neutrons

c) Mesons

d) Electrons
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Answer #1

Answer : Following particles are not fundamental particles, but are composites of quarks held together by gluons :

  • (a) Protons.
  • (b) Neutrons.
  • (c) Mesons.

An electron is a fundamental particle because it cannot be broken down further. But a proton and neutrons can be broken down further into 3 quarks.

a proton and neutrons can be broken down further into 3 quarks. A gluon is an elementary particle that acts as the exchange particle (or gauge boson) for the strong force between quarks. and every meson is made of a quark and an antiquark.

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