The question says that a convex lens with focal length 'F' is cut along the principal axis and the cut parts are arranged with both their pointed ends up(they are touching each other) and in the second case, one pointed end up and the other down. We have been asked to find the focal length in both cases. Please advise how to solve it.
The answer to the question is available in the PDF file https://www.assignmentexpert.com/https://www.assignmentexpert.com/homework-answers/physics-answer-55338.pdf
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