A convex mirror has an object 14 cm from the mirror, and the image appears to be 7 cm behind the mirror. What is the focal length of the mirror? Express your answer in whole number. No unit required.
Added by Jacob H.
Step 1
Step 1: Given that the object distance (O) is 14 cm and the image distance (I) is -7 cm (negative because the image is formed behind the mirror). Show more…
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