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Atomic, nuclear and space physics quiz - CCEA GCSE Physics quiz

15questions. Pick an answer and you'll see why right away.

  1. Which particle has a relative charge of +1?

  2. How many neutrons are in an atom with atomic number 8 and mass number 16?

  3. Isotopes of an element have the same number of:

  4. An alpha particle is:

  5. Which radiation is the most penetrating?

  6. Beta radiation is usually stopped by:

  7. In alpha decay, the atomic number:

  8. Half-life is the time taken for the activity of a source to:

  9. A source has an activity of 400 Bq and a half-life of 10 minutes. Its activity after 30 minutes is:

  10. Contamination means that:

  11. Nuclear fission is the:

  12. In a nuclear reactor, the control rods:

  13. Nuclear fusion in stars requires very high temperatures and pressures because:

  14. A star with a similar mass to the Sun ends its life as a:

  15. Red shift of light from distant galaxies tells us that: