Two Converging Lenses, the First with Focal Length 25 Cm

question 24

Multiple Choice

Two converging lenses, the first with focal length 25 cm and the second with focal length 20 cm, are separated by 30 cm. A 4.0 cm tall object is placed 50 cm in front of the first lens. Where is the final image?

• A) 20 cm after the second lens
• B) 20 cm before the second lens
• C) 10 cm after the second lens
• D) 10 cm before the second lens
• E) 50 cm after the second lens

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