Question

A convex security mirror has a focal length of -0.25 m. A person with height of 1.5 m

is 4.0 m from the mirror. GRASP method

a) Calculate the image distance.

b) Calculate the image height.

Answer 1

$d=\frac{Ff}{f-F}=0.27~m,$

$H=\frac{hd}f=0.10~m.$