Ray Optics and Optical Instruments

Bihar Board Class 12 · Physics · 73 past questions

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1. Q13 2025 Set D2018

   A convex lens is dipped in a liquid, whose refractive index is equal to the refractive index of the material…

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2. Q64 2018

   A magnifying glass is to be used at the fixed object distance of 1 inch. If it is to produce an erect image 5…

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