P6 revision

1. What is a half life?

  • The life of half of an isotope
  • The amount of time it takes for the radioactivity to get to zero
  • The amount of time it takes for the radioactivity of an isotope to half
  • The amount of radioactivity people are exposed to in half a lifetime
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Other questions in this quiz

2. Which type of radiation is stopped by paper and air?

  • Gamma
  • Alpha
  • Beta

3. What blocks beta radiation?

  • 3cm of air
  • Thin sheet of aluminium
  • Slightly thick sheet of paper
  • Sheet of felt

4. What is the order of most - least penetrating radiation?

  • Gamma, beta, alpha
  • Alpha, gamma, beta
  • Beta, alpha, gamma
  • Beta, gamma, alpha

5. What is gamma radiation?

  • A helium atom
  • An electromagnetic wave
  • A high energy electron
  • Particles

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