Exam-style question
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What occurs during annihilation in particle physics?.
- A.A particle and its antiparticle collide and produce energy.
- B.Two particles combine to form a heavier particle.
- C.A particle decays into two lighter particles.
- D.A photon is absorbed by a particle.
Model answer
What a good answer should say
- A particle and its antiparticle collide and produce energy.
Explanation
Why this works
Annihilation occurs when a particle meets its corresponding antiparticle, resulting in the conversion of their mass into energy, typically in the form of photons, according to the principle of mass-energy equivalence.
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