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JEE Main & Advanced Physics Ray Optics Question Bank Self Evaluation Test - Ray Optics and Optical Instruments

  • question_answer
    The width of man's face is 10cm. The distance between the eyes of the man is 4cm. Then the minimum width of plane mirror to see his fall face, is

    A) 5cm

    B) 4cm

    C) 3cm

    D) 10cm

    Correct Answer: C

    Solution :

    [c] Min. width of plane mirror to see full face \[=\frac{D-d}{2}=\frac{10-4}{2}=3cm.\]


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