Question

A man of length $h$ requires a mirror, to see his own complete image of length at least equal to:

• A. $\frac{h}{4}$
• B. $\frac{h}{3}$
• C. $\frac{h}{2}$
• D. $h$

Answer 1

The correct option is C $\frac{h}{2}$

• In a plane mirror of height H.we can see an object completely which has a height 2H.
  
• So in order to see a man of height h,the mirror should be of height $\frac{h}{2}$