NEET UG · Physics · Ray Optics and Optical Instruments
Combination of Lenses Separated by a Distance
NEET asked Combination of Lenses Separated by a Distance twice, in 2021 and 2026: 2 of the 1,875 questions in the 10 papers from 2017–2026. It belongs to Thin Lens Formula, in Ray Optics and Optical Instruments (Physics). The longest wait between two papers asking it was 5 years.
Updated 2026-10-08
- Times asked
- 2
- in 2017–2026
- Papers
- 2
- of 10
- First asked
- 2021
- last in 2026
- Chance next paper
- 6%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2021 and 2026.
How NEET framed it
Figure-based is the usual form. Skill tested: calculation.
- Numerical
- Image position in two-lens combination
Chance asked next paper 6%
Every question
All 2 questions
From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.
- 2026 Q29The lens combination as shown in the figure, consists of two lenses, and , of the focal lengths +10 cm and cm,…Figure-based · Medium · figure
- 2021 Q17A convex lens 'A' of focal length 20 cm and a concave lens 'B' of focal length 5 cm are kept along the same axis with a distance 'd'…Numerical · Medium
Same topic
Other ideas in Thin Lens Formula
Thin Lens Formula has 7 ideas NEET has asked; 2 of them came up in more than one question.
- Combination of Thin Lenses2× · 2025
- Index Correction on the Optical Benchonce · 2026
- Lens Maker's Formulaonce · 2023
- Optical Power Calculationonce · 2022
- Thin Lens Formula Applicationonce · 2021
- Liquid Trapped Between Two Lensesonce · 2019