Exam-style question
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What is the role of the photon in electromagnetic interactions?.
Model answer
What a good answer should say
- The photon acts as the exchange particle in electromagnetic interactions, mediating the force between charged particles.
Explanation
Why this works
This answer is strong because it directly addresses the role of the photon as specified in the learning objective, demonstrating an understanding of particle interactions. It tests the student's ability to recall and explain fundamental concepts in particle physics.
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