Understanding Curie and Radioactivity Quiz
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Questions and Answers

What is the definition of one Curie?

  • The time it takes for a radioactive substance to decay by half
  • The activity of a quantity of radioactive material in which one nucleus decays per second (correct)
  • The energy released by the decay of one mole of radioactive atoms
  • The amount of radiation absorbed by one gram of a specific material

    • What does one Curie measure?

  • The rate of decay of a radioactive material (correct)
  • The energy released by a radioactive substance
  • The mass of a radioactive material
  • The half-life of a radioactive element

    • How is one Curie related to the half-life of a radioactive substance?

  • It is the amount of time for half of the original radioactive material to decay
  • It is the energy released when half of the original radioactive material decays
  • It is the total energy released over the entire half-life period
  • It is the measure of radioactivity at the moment of decay (correct)

    • Which of the following best describes one Curie?

    <p>The measure of radioactive decay rate (D)</p> Signup and view all the answers

    What is the equivalent of one Curie?

    <p>One disintegration per second (C)</p> Signup and view all the answers

    Which unit measures the activity of a radioactive substance?

    <p>Curie (C)</p> Signup and view all the answers

    What does one Curie measure?

    <p>Radioactive decay rate (B)</p> Signup and view all the answers

    How is one Curie defined?

    <p>Activity of a radioactive material (A)</p> Signup and view all the answers

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