A concave mirror forms a real image at 35.2 cm from the mirror surface along the principal axis. If the corresponding object is at a 12.6-cm distance, what is the mirror's focal length?
a. 22.6 cm
b. 47.8 cm
c. 10.8 cm
d. 9.28 cm
e. 19.6 cm
d
Physics & Space Science
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