Consider an object with do = 12 cm that produces an image with d; = 15 cm. Note that whenever you are working with a physical object, the object distance will be positive (in multiple optics setups, you will encounter "objects" that are actually images, but that is not a possibility in this problem). A positive image distance means that the image is formed on the side of the lens from which the light emerges.
Consider an object with do = 12 cm that produces an image with d; = 15 cm. Note that whenever you are working with a physical object, the object distance will be positive (in multiple optics setups, you will encounter "objects" that are actually images, but that is not a possibility in this problem). A positive image distance means that the image is formed on the side of the lens from which the light emerges.
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Transcribed Image Text:Consider an object with do = 12 cm that produces an image with d; = 15 cm. Note that whenever you are working with a physical object, the object distance will be positive (in multiple optics setups, you will
encounter "objects" that are actually images, but that is not a possibility in this problem). A positive image distance means that the image is formed on the side of the lens from which the light emerges.
Part A
Find the focal length of the lens that produces the image described in the problem introduction using the thin lens equation.
Express your answer in centimeters, as a fraction or to three significant figures.
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