Question

A concave mirror has a focal length of 0.20 m. If an object produces a virtual image
0.09 m from the mirror, where is it located?

Answer 1

As per the given question,
Focal length of the concave mirror(f)=0.25m
position of virtual image form the mirror (v)=0.04m
let the position of the object from the concave mirror (u)=?
u=3.44cm