A convex mirror forms the image of an object placed in front of it at a distance of…

PHYSICS · Multi-part · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics

Problem

A convex mirror forms the image of an object placed

18\,\text{cm}

in front of it at a distance of

12\,\text{cm}

behind the mirror. (i) Find the focal length of the mirror. (ii) State whether the image is enlarged or diminished.