A plane mirror of height 2.5 ft is used to see the entire image .
3.0 ft
6.0 ft
4.0 ft
5.0 ft
Height of girl should be double that of plane mirror.
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]