Sally places an object 6.0 cm from a thin, convex lens along its axis. The lens has a focal length of 12 cm. What are the respective values of the image distance and magnification?
a. 12 cm and -2.0
c. 3.0 cm and -0.50
b. –12 cm and 2.0
d. -6.0 cm and -1.0
B
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