An upright object is placed in front of a converging (convex lens). An image magnified 3 times was formed on the screen. If the distance...

An upright object is placed in front of a converging (convex lens). An image magnified 3 times was formed on the screen. If the distance between the object and the screen was 80cm, determine:-
i) The object distance.
ii) The focal length of the lens.

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Kavungya answered the question on November 4, 2019 at 13:00

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