A candle is placed 15.0 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, the image moves 7 .0 cm farther away from the mirror.
Find the focal length of the convex mirror.
A candle is placed 15.0 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, the image moves 7 .0 cm farther away from the mirror.
Find the focal length of the convex mirror.