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]

180cm

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90cm

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85cm

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170cm

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Solution

The correct option is B 90cm

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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]

The correct option is B 90cm

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]