JEE Main 2009 Physics question
In an optics experiment, with the position of the object fixed, a student varies the position of a convex lens and for each position, the screen is adjusted to get a clear image of the object. A graph between the object distance u and the image distance v, from the lens, is plotted using the same scale for the two axes. A straight line passing through the origin and making an angle of 45° with the x-axis meets the experimental curve at P. The coordinates of P will be
Answer: (1)
Solution
The 45° line means |u| = |v|. For a convex lens forming a real image, $1v
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