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Question

A man is 180 cm tall and his eyes are 10cm below the top of his head. In order to see his entire height right from toe to head, he uses a plane mirror kept at a distance of 1mfrom him. The minimum length of the plane mirror required is

[MP PMT 1993; DPMT 2001]


  1. 180cm
  2. 170cm

  3. 85cm
  4. 90cm


Solution

The correct option is D 90cm

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