Ray Optics and Optical Instruments

Bihar Board Class 12 · Physics · 73 past questions

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1. Q23 2023 Set F

   The radius of curvature of each surface of a biconvex lens is 20 cm and the refractive index of the material…

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2. Q25 2023 Set F

   A convex lens of focal length 40 cm and a concave lens of focal length 20 cm are in contact. The power of…

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