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6. Which type of radiation is the most penetrating?
- Beta particles
- Gamma rays
- Alpha particles
7. What is absorbed and released during nuclear fission?
- Electrons
- Neutrons
- Protons
8. Which type of radiation is used in smoke alarms?
- Gamma rays
- Alpha particles
- Beta particles
9. Which type of radiation cannot be emitted alone?
- Beta particles
- Gamma rays
- Alpha particles
10. What type of radiation is used for medical tracers?
- Beta particles and Gamma rays
- Alpha and Beta particles
- Alpha particles and Gamma rays
11. What did Geiger and Marsden's famous experiment entail?
- Firing alpha particles at aluminium foil
- Firing alpha particles at gold foil
- Firing beta particles at gold foil
- Firing beta particles at aluminium foil
12. What type of radiation is able to deflect (change direction) by electric and magnetic fields?
- Alpha and beta particles
- Alpha particles and Gamma rays
- Beta particles and Gamma rays
13. Which type of radiation has no mass or charge?
- Gamma rays
- Alpha particles
- Beta particles
14. Which type of radiation is also known as a helium nucleus?
- Gamma rays
- Alpha particles
- Beta particles