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  • question_answer
    A student measures the focal length of a convex lens by putting an object pin at a distance ‘u’ from the lens and measuring the distance ‘v’ of the image pin. The graph between ‘u’ and ‘v’ plotted by the student should look like                                    [AIEEE 2008]

    A)

    B)

    C)

    D)

    Correct Answer: A

    Solution :

    [a] \[\frac{1}{v}-\frac{1}{y}=\frac{1}{f}\]


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