Fission, Fusion, and Radioactivity MCQ 1
11 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the charge of an alpha particle?

  • Positive (correct)
  • No charge
  • Negative
  • Variable

    • What is the process of a nucleus breaking up with the release of radiation?

  • Nuclear fusion
  • Nuclear fission
  • Radioactive decay (correct)
  • Ionisation

    • What is the unit of activity of a radioactive source?

  • Curie
  • Becquerel (correct)
  • Seivert
  • Rutherford

    • What is the equation that relates energy and mass?

    <p>E=mc^2</p> Signup and view all the answers

    What is the process by which a neutral atom gains or loses electrons?

    <p>Ionisation</p> Signup and view all the answers

    What is the half-life of a radioactive isotope?

    <p>The time taken for half of the nuclei in a sample to decay</p> Signup and view all the answers

    What is the type of radiation that is the emission of high-energy photons from an unstable nucleus?

    <p>Gamma radiation</p> Signup and view all the answers

    What is the process by which two small nuclei combine to form a single larger nucleus?

    <p>Nuclear fusion</p> Signup and view all the answers

    What is the main conclusion drawn from Rutherford's gold foil experiment?

    <p>Atoms are made up of mostly empty space with a dense positive core</p> Signup and view all the answers

    What is the composition of the nucleus according to Niels Bohr's model?

    <p>Tiny solid protons and neutrons</p> Signup and view all the answers

    What happens when electrons fall back to a lower energy state after being given energy?

    <p>They emit a fixed 'quantum' of energy</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser