Post Utme Greenfield University 2024 Physics Question 7
Practice objective / multiple choice question 7 from the 2024 Post Utme Greenfield University Physics examination.
A convex lens of focal length 20 cm is placed in contact with a concave lens of focal length -15 cm. Find the focal length of the combination.
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This is Post Utme Greenfield University 2024 Physics Question 7. It is one of the objective questions from the 2024 Post Utme Greenfield University Physics examination.
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