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  • question_answer
    In which of the following are plane mirrors arranged at an angle to get a number of colored images?

    A)  Periscope                          

    B)                         Kaleidoscope   

    C)                         Telescope                         

    D)                         Thermoscope

    Correct Answer: B

    Solution :

    Three plane mirrors are arranged at an angle to get a number of colored images in a kaleidoscope.


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