Post Utme Unilorin 2025 Physics Question 20
Practice objective / multiple choice question 20 from the 2025 Post Utme Unilorin Physics examination.
A ray of light passes through a lens and is focused at a dis\tance of 20 cm from the lens. If the object dis\tance is 30 cm, what is the focal length?
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This is Post Utme Unilorin 2025 Physics Question 20. It is one of the objective questions from the 2025 Post Utme Unilorin Physics examination.
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