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Which statement is true regarding hadrons?

  1. Hadrons do not interact with any forces

  2. Hadrons are fundamental particles

  3. Hadrons experience the strong force

  4. Hadrons are always charged particles

The correct answer is: Hadrons experience the strong force

Hadrons are composite particles made up of quarks, and they are indeed involved in strong interactions. The strong force is one of the four fundamental forces in nature, and it is responsible for holding the quarks together within hadrons, as well as binding hadrons together in atomic nuclei. There are two main categories of hadrons: baryons (which include protons and neutrons) and mesons. Both types of hadrons experience the strong force, making the statement about hadrons experiencing this force true. The other statements do not accurately represent hadrons. For instance, hadrons are not fundamental particles; rather, they are made up of quarks held together by the strong force. Additionally, hadrons can be either neutral or charged. Thus, the statement about hadrons interacting with forces, specifically the strong force, is the only accurate one.