Particle interactions and equations Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. What is the total lepton number of e⁻ + ν̄ₑ?
- A. +2
- B. +1
- C. 0
- D. −1
2. Which quantity is not conserved in p → e⁺ + γ?
- A. Charge
- B. Photon number
- C. None of them
- D. Baryon number
3. What must X be in νₑ + n → p + X?
- A. Positron
- B. Electron
- C. Photon
- D. Electron antineutrino
4. Which reaction is possible?
- A. p + ν̄ₑ → n + e⁺
- B. n → p + e⁻ + νₑ
- C. n → p + e⁻
- D. p → n + e⁻ + ν̄ₑ
5. In β⁺ decay, p → n + e⁺ + ?, what is the missing particle?
- A. Electron antineutrino
- B. Electron
- C. Electron neutrino
- D. Photon