Igcse Model Questions Vol1 2022 Physics Question 13
Practice objective / multiple choice question 13 from the 2022 Igcse Model Questions Vol1 Physics examination.
A converging lens L1 has focal length \(f_{1}=10\ \text{cm}\). An object is placed \(30\ \text{cm}\) to the left of L1. A second lens L2 is positioned \(15\ \text{cm}\) to the right of L1. The final image formed by L2 is \(40\ \text{cm}\) to the right of L2. Assuming thin lenses and using the sign convention that distances measured to the right of a lens are positive, calculate the focal length \(f_{2}\) of L2 in centimetres. Give your answer to two decimal places.
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About This Question
This is Igcse Model Questions Vol1 2022 Physics Question 13. It is one of the objective questions from the 2022 Igcse Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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