Nuclear forces (binding the nucleus): Which nuclear particles mediate the strong force that holds nucleons together in older (Yukawa) models? Focus on the historical concept of force carriers inside the nucleus. Choose the correct option.
IIT JEE
Chemistry
Difficulty: Easy
Choose an option
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AElectrons
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BPositrons
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CNeutrons
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DMesons
Answer
Correct Answer: Mesons
Explanation
Concept/ApproachIn Yukawa’s theory, mesons (not electrons/positrons) mediate the strong nuclear force that binds protons and neutrons (nucleons) within the nucleus. (Modern QCD describes gluons; in classic physics MCQs the answer is mesons.)
Final AnswerMesons