Convex mirror-what is the focal length of the mirror

Reference no: EM13645819

An object is 14 cm in front of a convex mirror. The image is 5.8 cmbehind the mirror. What is the focal length of the mirror?

A) -4.1 cm
B) -8.2 cm
C) -9.9 cm
D) -20 cm

Reference no: EM13645819

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