Practice Test | Kullabs.com
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  • Photographic images are _______.

    real, inverted and magnified
    virtual, erect and magnified
    real, inverted and diminished
    virtual, erect and diminished
  • Objective lens is bigger in _______.

    telescope
    periscope
    simple microscope
    microscope
  • The objective lens of which optical instrument has a large focal length but the eye-piece has a short focal length?

    astronomical telescope
    periscope
    microscope
    simple microscope
  • A virtual image forming optical instrument wich is used to see the magnified image of a small object placed very closed to it is called ______.

    periscope
    telescope
    microscope
    camera
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