# What is an example of a concave mirror practice problem?

An object that is 1.0cm tall is placed on the principal axis of a concave mirror whose focal length is 15.0cm. The base of the object is 25.0cm from the vertex of the mirror. Make a ray diagram with two or three rays that locate the image. Using the mirror equation ( $\frac{1}{f} = \frac{1}{d} _ 0 + \frac{1}{d} _ i$) and the magnification equation ( $m = - {d}_{i} / {d}_{o}$), and the proper sign convention, calculate the image distance and the magnification. Is the image real or virtual? Is the image inverted or upright? Is the image taller or shorter than the object?