Ray Optics and Optical Instruments

JEE Main · Physics · 14 past questions

These are the board's own papers. 208 more board questions reprinted in the books we use in class are for signed-in students: sign in.

7 of 14 · show all

1. Q2 2026 2 Apr Shift 1

   Refer the figure given below. $\mu_1$ and $\mu_2$ are refractive indices of air and lens material. The height… (with a figure)

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2. Q3 2026 2 Apr Shift 2

   If sunlight is focused on a paper using convex lens, it starts burning the paper in shortest time when the…

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3. Q5 2026 4 Apr Shift 2

   A convex lens is made from glass material having refractive index of 1.4 with same radius of curvature on…

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4. Q8 2026 5 Apr Shift 2

   A thin convex lens and a thin concave lens are kept in contact and are co-axial. Which of the following…

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5. Q9 2026 5 Apr Shift 2

   An object $AB$ is placed 15 cm on the left of a convex lens $P$ of focal length 10 cm. Another convex lens…

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6. Q10 2026 6 Apr Shift 1

   A spherical interface lens of radius $R$ separates two media of refractive indices 1 and 1.4 respectively as… (with a figure)

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7. Q13 2026 8 Apr Shift 2

   A thin biconvex lens is prepared from the glass ($\mu = 1.5$) both curved surfaces of which have equal radii…

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