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White Dwarf Quiz

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Example Quiz 1

    1. What was the first white dwarf to be observed?
    Polaris C
    Sirius B
    Rigel B



    2. Who discovered the first ever white dwarf?
    Alvan Clark
    Subrahmanyan Chandrasekhar
    Arthur Eddington



    3. What is Chandrasehkar's limit of a white dwarf?
    The upper limit of the mass of a white dwarf
    The lower limit of the mass of a white dwarf
    The minimum distance a companion star can orbit a white dwarf



    4. Majority of white dwarfs are composed of,
    Helium
    Carbon and oxygen
    Iron



    5. Before a star ends up as a white dwarf, it is becomes a,
    Brown dwarf
    Red dwarf
    Red giant



    6. What percentage of stars will end up as white dwarfs?
    36 %
    65 %
    97 %



    7. The gravitational collapse of a white dwarf is prevented by,
    Nuclear fusion
    Electron degeneracy pressure
    Neutron degeneracy pressure



    8. The size of a white dwarf resembles,
    The size of the Earth
    The size of the Sun
    The size of Pluto



    9. During the formation of a white dwarf, the outer layers expand as a shell of gas. This is known as a,
    Supernova remnent
    Planetary nebula
    Dark nebula



    10. A white dwarf will radiate heat and eventually becomes a,
    Brown dwarf
    Black dwarf
    Neutron star


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