For a concave mirror, the focal length \( f \) is the distance from the mirror to the focal point. The mirror equation is given by:
\[ \frac{1}{f} = \frac{1}{d_o} + \frac{1}{d_i} \]
where \( d_o \) is the object distance from the mirror, and \( d_i \) is the image
Show more…
