A 2.0-cm-diameter spider is 2.8 m from a wall. Determine the focal length f of a lens that will make a half-size image of the spider on the wall. Determine the position s' (measured from the wall) of this lens.
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![A 2.0-cm-diameter spider is 2.8 m from a wall.
Determine the focal length f of a lens that will make a
half-size image of the spider on the wall. Determine the
position s' (measured from the wall) of this lens.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbeb774ed-0464-4d0d-b567-f40e5007efc4%2F7f1a86c1-d498-4533-aee7-bc082ca1c0fa%2Frd9ljjd_processed.jpeg&w=3840&q=75)
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