6. What is the quark composition of a proton?
- Up, Down, Strange
- Down, Down, Down
- Up, Up, Down
- Up, Down, Down
7. Which of the these particles is the most heavily ionising?
- Gamma
- Alpha
- Beta minus
- Beta plus
8. Which fundamental force is responsible for Beta decay?
- Weak interaction
- Strong interaction
- Gravitational
- Electromagnetic
