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An Object,located 80

Question 28

Multiple Choice

An object,located 80.0 cm from a concave lens,forms an image 39.6 cm from the lens on the same side as the object.What is the focal length of the lens?


A) -26.5 cm
B) -120 cm
C) -78.4 cm
D) -80.8 cm
E) -20.0 cm

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