A convex spherical mirror has a focal length of -20 cm. An object is placed 30 cm in front of the mirror on the mirror's axis. Where is the image located?
Answer
12 cm in front of the mirror
60 cm behind the mirror
60 cm in front of the mirror
none of the given answers
1 answer
(30*-20) / (30-(-20)) = -12
2 answers