Post Utme Al Hikmah University 2023 Physics Question 30
Practice objective / multiple choice question 30 from the 2023 Post Utme Al Hikmah 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 Al Hikmah University 2023 Physics Question 30. It is one of the objective questions from the 2023 Post Utme Al Hikmah University Physics examination.
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