Ray Optics and Optical Instruments

CBSE Class 12 · Physics · 23 past questions

4 of 23 · show all

1. Q3 2026

   In which of the following, total internal reflection does *not* occur ?

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2. Q4 2026

   A ray of light is travelling through a rectangular glass slab (refractive index $\dfrac{3}{2}$) and is…

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3. Q12 2025

   A transparent solid cylindrical rod (refractive index $\frac{2}{\sqrt{3}}$) is kept in air. A ray of light… (with a figure)

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4. Q21 2023

   The refractive indices of two media A and B are 2 and $\sqrt{2}$ respectively. What is the critical angle for…

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