Post Utme Bells University 2025 Physics Question 27
Practice objective / multiple choice question 27 from the 2025 Post Utme Bells University Physics examination.
A convex lens of focal length 20 cm is placed in contact with a concave lens of focal length -15 cm. What is the focal length of the combination?
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This is Post Utme Bells University 2025 Physics Question 27. It is one of the objective questions from the 2025 Post Utme Bells University Physics examination.
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