Post Utme Babcock University 2020 Physics Question 40
Practice objective / multiple choice question 40 from the 2020 Post Utme Babcock University Physics examination.
A convex lens of focal length 10 cm is placed in contact with a concave lens of focal length -5 cm. What is the focal length of the combination?
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About This Question
This is Post Utme Babcock University 2020 Physics Question 40. It is one of the objective questions from the 2020 Post Utme Babcock University Physics examination.
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