iGCSE double award Radioactivity (Physics)

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

  • It cannot be reduced
  • With a thick layer of lead
  • With paper or air
  • With 3mm of aluminium
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Other questions in this quiz

2. If radioactive waste is put into water, what will happen?

  • Nothing, as it is unreactive
  • It will poison ecosystems
  • It will float on top of the water
  • There will be an explosion

3. 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

4. What is a tracer?

  • Technology which allows doctors to trace around broken bones after x-rays
  • A piece of equipment used to demonstrate electrostatic attraction
  • A radioactive source which is put into a system to detect blockages
  • A cancer destroying machine

5. What is radiation measured in?

  • kJ/h
  • Bequerels
  • Joules
  • Ohms

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