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Telescope Quiz

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Example Quiz 1

 

    1. Who was the first astronomer to use an optical telescope?
    Tycho Brahe
    Galileo Galilei
    Issac Newton


    2. The primary mirror or lens that gathers and focuses light is called,
    The objective
    The eye
    The Collector


    3. Catadioptic telescopes use,
    Lenses
    Mirrors
    Both lenses and mirrors


    4. The eye piece of the Galilean Telescope uses,
    A lens system
    A convex lens
    A concave lens


    5. What was Johannes Kepler's contribution to optical telescopes?
    The correction lens
    The astronomical telescope
    The primary mirror replacing the lens


    6. Who was the first to suggest a practical design for a reflecting telescope, in the publication Optica Promota?
    Hans Lippershey
    Issac Newton
    James Gregory


    7. Which of these improves the angular resolution of a telescope?
    Increasing the magnification
    Increasing the diameter of primary mirror or lens
    Increasing the focal length of the eye piece


    8. What is the f-number of a telescope?
    The ratio between focal length and aperture of primary mirror/lens
    The maximum magnification of a telescope
    The identification number of the telescope manufacturer


    9. The light gathering power of an optical telescope is related to,
    The focal lengh of the primary mirror or lens
    The square of the aperture
    The ratio of the focal lengths


    10. Adaptive optics in optical telesocpes is used,
    To track moving objects with a telescope
    To reduce atmospheric distortion of light
    To reduce the cost of building a telescope


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