Courses

Nuclear Physics Test 1


1. Beta particles coming from radioactive elements are:

    A. always of low energy
    B. very difficult to detect
    C. the result of neutrons changing to protons
    D. the result of protons changing to neutrons


2. The intensity of radiation can be measured in:

    A. lumens
    B. curies
    C. half-lives
    D. becquerels


3. A compound that turns a bunsen burner flame violet probably contains:

    A. calcium
    B. copper
    C. lithium
    D. potassium


4. Which hydrogen isotope contains 1 proton, 1 neutron and 1 electron?

    A. hydronium
    B. plutonium
    C. deuterium
    D. tritium


5. Which particle is identical to a helium nucleus?

    A. alpha particle
    B. beta particle
    C. gamma ray
    D. proton


6. Thermonuclear reactions:

    A. are fission reactions
    B. are oxidation-reduction reactions
    C. involve lithium deuteride
    D. are fusion reactions


7. Gamma rays are:

    A. high-energy electrons
    B. due to plasma interference
    C. high-energy photons
    D. high-energy positrons


8. The carbon atom in the ground state has:

    A. four unpaired electrons
    B. two electrons in the 3s orbital
    C. two unpaired electrons
    D. no electrons in the 2s orbital


9. The most abundant element in the universe is:

    A. oxygen
    B. hydrogen
    C. nitrogen
    D. carbon


10. X-rays emerge from a metal target when it is struck by:

    A. radiation of long wave length
    B. high-velocity alpha particles
    C. high-velocity neutrons
    D. high-velocity electrons






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