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8th Class General Knowledge Miscellaneous / विविध Question Bank Science and Technology

  • question_answer
    Which of the following is based on the principle of formation of many images by mirrors placed at fixed angles to each other?

    A)  Telescope                     

    B)  Kaleidoscope    

    C)         Periscope         

    D)         Microscope       

    Correct Answer: B

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