In an experiment for determination of the focal length of a thin convex lens, the distance of the object from the lens is 10 \pm 0.1 {\cm} and the distance of its real image from the lens is 20 \pm 0.2 {\cm}. The error in the determination of focal length of the lens is n \%. The value of n is________ [JEE Adv 2023 P1]

Units and Measurements

Section: Physics

Question : 7 of 34

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In an experiment for determination of the focal length of a thin convex lens, the distance of the object from the lens is 10±0.1‌cm and the distance of its real image from the lens is 20±0.2‌cm. The error in the determination of focal length of the lens is n%. The value of n is________

[JEE Adv 2023 P1]

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