Questions
The plane faces of two identical planoconvex lenses each having focal length of 40 cm are pressed against each other to form a usual convex lens. The distance from this lens, at which an object must be placed to obtain a real, inverted image with magnification one is
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Correct option is B
To obtain, an inverted and equal size image, object must be placed at a distance of 2f from lens, i.e., 40 cm in this case.Similar Questions
Image of the sun is formed by a binconvex lens of focal length f. The image is a circular patch of radius r and is formed on the focal plane of the lens. Choose the correct statement from the following
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