Post Utme Bells University 2023 Physics Question 32
Practice objective / multiple choice question 32 from the 2023 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 -30 cm. Find the focal length of the combination.
Answer Options
About This Question
This is Post Utme Bells University 2023 Physics Question 32. It is one of the objective questions from the 2023 Post Utme Bells 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.