Post Utme Wellspring University 2019 Physics Question 27
Practice objective / multiple choice question 27 from the 2019 Post Utme Wellspring 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?
Answer Options
About This Question
This is Post Utme Wellspring University 2019 Physics Question 27. It is one of the objective questions from the 2019 Post Utme Wellspring University Physics examination.
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.