Question

In an experiment, students need to get an upright image of an object using a lens of focal length 25 cm. The experiment was set up by putting the lens and the object at a distance of 10 cm. Students of group A used a convex lens and group B used a concave lens for their experiment. The ratio of magnification obtained by group A and group B is:​

Answer 1

Answer:

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Explanation:

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Answer 2

7/3 is answer (ratio of magnification)