Railways RRB (Assistant Loco Pilot & Technician) Solved Paper-2 (2013)

  • question_answer
    Mirror formula is true only when

    A)  object is placed in front of the mirror

    B)  aperture of the mirror is small

    C)  rays of light are always parallel to the principal axis

    D)  None of the above

    Correct Answer: B

    Solution :

    Not available 


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