Nuclear Radiation Safety and Impact Quiz
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Questions and Answers

What is the primary source of background radiation found in the air?

  • Medical applications
  • Cosmic rays
  • Radon gas (correct)
  • Nuclear weapon tests
  • Which of the following best describes why radon gas is considered a health hazard?

  • It emits beta particles
  • It is a highly reactive gas
  • It emits alpha particles (correct)
  • It emits gamma rays
  • According to the provided background radiation information, which source contributes the least radiation dose to the total?

  • Medical applications
  • Ground & buildings
  • Food & drink
  • Air travel (correct)
  • What is the purpose of storing used fuel rods from nuclear reactors in large water tanks?

    <p>To cool down the fuel rods (C)</p> Signup and view all the answers

    What action is taken to obtain reusable materials from spent nuclear fuel?

    <p>Remote controlled machines extract unused uranium and plutonium. (B)</p> Signup and view all the answers

    What is a key reason why nuclear waste needs to be stored securely?

    <p>To prevent contamination. (C)</p> Signup and view all the answers

    What was a significant factor that contributed to the Chernobyl nuclear disaster?

    <p>The lack of a high-speed shutdown system. (D)</p> Signup and view all the answers

    What was the primary reason for the evacuation of the population within a 20 km radius around Fukushima?

    <p>The levels of radiation (D)</p> Signup and view all the answers

    Which of the following describes the correct relationship between sieverts (Sv) and microsieverts (µSv)?

    <p>1 Sv is equal to 1,000,000 µSv (C)</p> Signup and view all the answers

    Geiger counters detect background radiation even when a specific radioactive source is not nearby, what is the primary explanation for this?

    <p>Radioactive substances are naturally present in the environment. (B)</p> Signup and view all the answers

    What is the most significant risk associated with the release of radon gas into homes and buildings?

    <p>It emits alpha particles, which can be harmful. (B)</p> Signup and view all the answers

    What is a primary long-term concern associated with the remaining material from used nuclear fuel after the reuse of uranium and plutonium?

    <p>It contains radioactive isotopes with long half-lives. (B)</p> Signup and view all the answers

    Which of the options is a primary reason why used nuclear fuel rods are initially stored in large water tanks?

    <p>To allow time for the rods to cool down. (A)</p> Signup and view all the answers

    What was a major contributing factor that led to the disaster at the Fukushima Daiichi nuclear power plant in Japan?

    <p>A combination of an earthquake and a tsunami. (B)</p> Signup and view all the answers

    What was the main cause of the Chernobyl nuclear disaster?

    <p>A lack of a high-speed shutdown system. (C)</p> Signup and view all the answers

    The table lists radiation doses in µSv. Which option correctly lists the sources in order of increasing dosage?

    <p>Nuclear weapons tests, air travel, nuclear power, medical applications (C)</p> Signup and view all the answers

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