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Reflection Problem

  • Thread starter mortho
  • Start date
100
0
1. Homework Statement
A magnifying glass has a converging lens of focal length 17.0 cm. At what distance from a nickel should you hold this lens to get an image with a magnification of +2.00?



2. Homework Equations
1/F=(1/Dobject)+(1/Dimage)
M=-Dimage/Dobject

3. The Attempt at a Solution

I did not know how to even start this because the distance of the image is not given so i cannot solve and plug. Please help, just started this lesson couple of days ago. Thanks!
 

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