Waec Model Questions Vol1 2019 Physics Question 26
Practice objective / multiple choice question 26 from the 2019 Waec Model Questions Vol1 Physics examination.
A converging thin lens of unknown focal length f₁ is placed 10 cm to the left of a diverging thin lens of focal length -15 cm. An object 30 cm to the left of the first lens produces a final real image 40 cm to the right of the second lens. Determine the focal length f₁ of the first lens (in cm).
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About This Question
This is Waec Model Questions Vol1 2019 Physics Question 26. It is one of the objective questions from the 2019 Waec Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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