Ray Optics and Optical Instruments

CBSE Class 12 · Physics · 23 past questions

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1. Q9 2025

   The magnification produced by a spherical mirror is $-2.0$. The mirror used and the nature of the image…

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2. Q10 2025

   An equiconvex lens is made of glass of refractive index 1·55. If the focal length of the lens is 15·0 cm…

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3. Q11 2025

   A tub is filled with a transparent liquid to a height of 30.0 cm. The apparent depth of a coin lying at the…

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4. 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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