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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