Other questions in this quiz

2. What is meant by the term 'half-life'

  • The time taken for radiation emitted by a source, to decrease by a half
  • When radioactive sources don't stay radioactive permanently
  • When only half of an atom is radioactive
  • The time taken for radiation emitted by a source to increase by a half

3. What is the order of ionisation power from lowest to highest?

  • Gamma, Beta, Alpha
  • Beta, Alpha, Gamma
  • Alpha, Beta, Gamma
  • Beta, Gamma, Alpha

4. What is radioactive dating?

  • Where a radioactive object is measured against the half life of carbon
  • When an atom of helium is magnetised, making it radioactive
  • Where a proton and neutron are attracted in a nucleus
  • Where two radioactive sources penetrate the same material simultaneously

5. How is the penetrating power of a gamma particle reduced?

  • With 3mm of aluminium
  • With a thick layer of lead
  • It cannot be reduced
  • With paper or air


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