PYQ Adv 2023 P1 Q10

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Santosh Sir IITK (Apex Physics)

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Published on April 16, 2024 10:30:18 AM ● Video Link: https://www.youtube.com/watch?v=WlpTBk72vyQ

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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 ± 0.1 cm and the distance of its real image from the lens is 20 ± 0.2 cm. The error in the determination of focal length of the lens is 𝑛 %. The value of 𝑛 is _______.


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