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Questions and Answers
Which two main sources contribute to natural background radiation?
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?
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?
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?
What does the atmosphere do to cosmic radiation?
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What is the dose rate in the UK from cosmic radiation?
What is the dose rate in the UK from cosmic radiation?
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