Ray Optics and Optical Instruments

CBSE Class 12 · Physics · 23 past questions

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1. Q1 2026

   A thin plano-convex lens and a thin equi-concave lens are kept coaxially in contact as shown in the figure.… (with a figure)

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2. Q5 2026

   A concave lens of focal length 10 cm is cut into two identical plano-concave lenses. The focal length of each…

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3. Q8 2026

   In an experiment with convex lens of focal length f, the screen is fixed at a distance D from the object. A…

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