JEE Main Physics · Ray Optics and Optical Instruments
Lenses in Contact
Lenses in Contact (Ray Optics and Optical Instruments) was asked 3 times in 3 JEE Main shifts, 2022–2026, out of the 42 shifts Lumi analysed. 1 of the 3 had a numerical answer.
- Times asked
- 3
- in 3 shifts
- Years
- 2022–2026
- Usual format
- Single correct
- Calculation
- Pattern
- Frequent
- repeats across shifts
How it is asked
- True statement selection on lens combination
- Image distance for lenses in contact
Difficulty
Easy 1Medium 2Hard 0
Where it sits
Chapter: Ray Optics and Optical Instruments. Topic: Lens Maker's Formula, 24 questions over 11 ideas.
Other repeat ideas in this topic
Every time it came
All 3 questions
Newest first, each with its options and official answer.
- 5 Apr 2026, Shift 2 · Q40A thin convex lens and a thin concave lens are kept in contact and are co-axial. Which of the following statements is correct for this…EasySingle correct
- 8 Apr 2025, Shift 2 · Q43A convex lens of focal length 30 cm is placed in contact with a concave lens of focal length 20 cm. An object is placed at 20 cm to the…MediumSingle correct
- 24 Jun 2022, Shift 1 · Q52Two identical thin biconvex lenses of focal length 15 cm and refractive index 1.5 are in contact with each other. The space between the…MediumNumerical value