Question

A man of height 170 cm wants to see his complete image in the mirror (while standing) His eyes is at a height of 160 cm from the ground

• A. Minimum length of the mirror =80 cm
• B. Minimum length of the mirror =85 cm
• C. Bottom of the mirror should be at a height 80 cm
• D. Bottom of the mirror should be at a height 85 cm

Answer 1

The correct option is B Minimum length of the mirror =85 cm

Minimum length of mirror is $85cm$

Hence,

option $B$ is correct answer.