Foundation Level (Fail → Pass)

1. Define radioactivity.

2. What is an alpha particle?

3. What is a beta particle?

4. What is gamma radiation?

5. State one natural source of radiation.

6. Define half-life.

7. Which type of radiation is stopped by paper?

8. Which type of radiation is the most penetrating?

9. Name one use of radioisotopes in medicine.

10. Give one harmful effect of radiation.

Intermediate Level (Pass → Credit)

1. Explain why radioactive decay is spontaneous.

2. Describe the relative penetrating power of α, β, and γ.

3. Write the nuclear equation for alpha decay of U-238.

4. Explain how beta decay changes atomic number.

5. Describe how gamma emission differs from α and β.

6. Explain how a Geiger–Müller tube detects radiation.

7. Interpret a half-life graph to find remaining activity.

8. Compare nuclear fission and fusion.

9. Explain one industrial use of radioisotopes.

10. Describe how radiation affects living cells.

Advanced Level (Credit → Distinction)

1. Analyse neutron-to-proton ratio and nuclear stability.

2. Derive the mathematical form of exponential decay.

3. Evaluate dangers of internal vs external exposure.

4. Discuss binding energy and mass defect in nuclear reactions.

5. Predict decay mode of unstable isotopes based on structure.

6. Explain how shielding materials differ for α, β, and γ.

7. Analyse limitations of carbon-14 dating.

8. Discuss chain reactions and control mechanisms in reactors.

9. Explain how background radiation is measured and accounted for.

10. Propose safety protocols for handling radioisotopes.