In an experiment to measure focal length (f) of convex lens, the least counts of the measuring scales for the position of object

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🧑‍🏫 Author: Aditya Bhatt Sir   |   🕒 Last Updated: July 13, 2025

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📘Question

In an experiment to measure focal length (f) of convex lens, the least counts of the measuring scales for the position of object (u) and for the
position of image (v) are △u and △v, respectively. The error in the measurement of the focal length of the convex lens will be :

                                                                       (JEE-2024)   

✅ Answer

In an experiment to measure focal length (f) of convex lens, the least counts of the measuring scales for the position of object (u) and for the position of image (v) are △u and △v, respectively. The error in the measurement of the focal length of the convex lens will be :

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