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.

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1. 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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2. 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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3. 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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