(4.) Physics Hl/Sl. Atomic And Nuclear Physics / Energy, Power, Climate Change

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Nuclear Science Quizzes & Trivia

Quiz on physics sections 7 and 8, focusing on definitions. Don't screw up the definition questions!�You get�free points if you just learn them.

Questions and Answers
  • 1. 
    “The components of a nucleus (protons and neutrons)” What is being defined?
  • 2. 
    “A spectrum where all possible frequencies of light are present” What is being defined?
    • A. 

      Continuous spectrum

    • B. 

      Emission spectrum

    • C. 

      Absorption spectrum

  • 3. 
    “A spectrum where the frequencies of light emitted by an element are absent” Write down what type of spectrum this is
  • 4. 
    The light that an element emits can be define as its emission spectrum
    • A. 

      True

    • B. 

      False

  • 5. 
    “The name given to a particular species of atom (one whose nucleus contains a specified number of protons and a specified number of neutrons)” What is being defined?
    • A. 

      Nucleon

    • B. 

      Nucleus

    • C. 

      Nuclide

    • D. 

      Neutron

  • 6. 
    Isotopes are nuclides containing the same number of [1] but different number of [2]
    • A. 

      [1] protons, [2] neutrons

    • B. 

      [1] neutrons, [2] protons

  • 7. 
    Define "radioactive decay"
    • A. 

      The process by which an atom loses its mass over time

    • B. 

      The process by which atomic nuclei decay

    • C. 

      The process by which an atom loses its electrons to the surroundings

  • 8. 
    "Half-life" can simply be defined as the time taken for half the number of nucleons in a sample to decay
    • A. 

      True

    • B. 

      False

  • 9. 
    An artificial reaction in which a nucleus is bombarded with a nucleon, an alpha particle, or another small nucleus is known as an artificial [...]
  • 10. 
    “The amount of energy released when a nucleus is assembled from its component nucleons” What is being defined above?
  • 11. 
    Nuclear fission can be defined as a “nuclear reaction whereby small nuclei are induced to join together into larger nuclei and release energy in the process”
    • A. 

      True

    • B. 

      False

  • 12. 
    “Energy that is no longer available to perform useful work” What is being defined?
    • A. 

      Lost heat energy

    • B. 

      Thermal energy

    • C. 

      Degraded energy

    • D. 

      Consumed energy

  • 13. 
    A source of energy that cannot be used up is said to be ...
  • 14. 
    “The energy liberated per unit mass of fuel consumed” What is being defined?
    • A. 

      Work function

    • B. 

      Energy density

    • C. 

      Critical mass

    • D. 

      Albedo

  • 15. 
    Fuels that have been produced from the accumulations of dead matter are known as ...
  • 16. 
    The critical mass is the stage in a nuclear reaction where a [...] can occur
  • 17. 
    “Material that absorbs excess neutrons to prevent an uncontrollably large release of energy” A "moderator" is defined above
    • A. 

      True

    • B. 

      False

  • 18. 
    “Device that allows the nuclear reactions to occur in a place that is sealed from the rest of the environment” Write down what is being defined
  • 19. 
    A reactor design that utilizes plutonium-239 is known as a fast breeder reactor
    • A. 

      True

    • B. 

      False

  • 20. 
    “Device which converts a portion of the sun’s radiated energy directly into a potential difference” What is defined?
    • A. 

      Solar panel

    • B. 

      Photovoltaic cell

    • C. 

      Active solar heater

    • D. 

      Albedo

  • 21. 
    An active solar heater is a “device which captures as much [...] from the sun as possible, which can be used to heat water”
  • 22. 
    “Law stating that, for a given area of receiver, the intensity of the received radiation is inversely proportional to the square of the distance from the point source to the receiver” Which law is this?
    • A. 

      Wien's displacement law

    • B. 

      Boltzmann's law

    • C. 

      Hooke's law

    • D. 

      Inverse square law

  • 23. 
    Black-body radiation can simply be defined as "the radiation from a perfect absorber"
    • A. 

      True

    • B. 

      False

  • 24. 
    “The fraction of the radiation received by a planet that is reflected back into space” Write down the six-letter concept that is defined above
  • 25. 
    Wien's displacement law relates the wavelength at which the intensity of the radiation is at maximum, to the temperature of a [...]

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