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JEE Main & Advanced Physics Ray Optics Question Bank Total Internal Reflection

  • question_answer
    Finger prints on a piece of paper may be detected by sprinkling fluorescent powder on the paper and then looking it into                                                                      [MP PET/PMT 1988]

    A)            Mercury light                       

    B)            Sunlight

    C)            Infrared light                        

    D)            Ultraviolet light

    Correct Answer: D

    Solution :


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