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Chemistry, 22.05.2021 05:50 leysirivera23ovez6n
1. A lens is being used to look at an object 25cm away. An image appears 20 points 25cm away. What is the focal length of the lens? *
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1. A lens is being used to look at an object 25cm away. An image appears 20 points
25cm away. What...
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