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ifos • paper_1 • waves_oscillationsifos-2023-subject-02-004

Refraction of light — UPSC IFoS 2023 Physics PYQ

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Consider a thick equiconvex lens of refractive index 1 \cdot 5 as shown in the figure. The magnitude of the radii of curvatures of the two surfaces is 5\text{ cm}. The thickness of the lens is 1\text{ cm} and the lens is placed in the air. Obtain the system matrix and determine the focal length and the position of unit planes :

Physics Diagram ifos-q-2-053-fig-1

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