Two Lenses,the First with Focal Length -12

question 51

Multiple Choice

Two lenses,the first with focal length -12.5 cm and the second with focal length 20.0 cm,are separated by 15.0 cm.If an object is place 50.0 cm in front of the first lens,where is the final image formed?

• A) 10.0 cm before the first lens
• B) 25.0 cm before the second lens
• C) 25.0 cm after the second lens
• D) 50.0 cm after the second lens
• E) 100 cm after the second lens

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