Radiation Protection and Sources Quiz
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Questions and Answers

Which two main sources contribute to natural background radiation?

  • Terrestrial sources and nuclear fission processes
  • X-rays and interstellar space
  • Cosmic radiation and radioactivity
  • Cosmic radiation and 'Primordial' radiation (correct)
  • What are the dose rates of cosmic radiation at sea level and 3000m altitude, respectively?

  • 0.2 mSv/year and 1 mSv/year (correct)
  • 1 mSv/year and 0.33 mSv/year
  • 1 mSv/year and 0.2 mSv/year
  • 0.33 mSv/year and 0.2 mSv/year
  • When were X-rays and radioactivity discovered?

  • Beginning of the 20th century
  • Beginning of the 19th century
  • Middle of the 20th century
  • End of the 19th century (correct)
  • What does the atmosphere do to cosmic radiation?

    <p>Reduces its intensity</p> Signup and view all the answers

    What is the dose rate in the UK from cosmic radiation?

    <p>0.33 mSv/year</p> Signup and view all the answers

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