Class 12 · Physics

Ray Optics and Optical Instruments

15 topics — from Introduction & Previous Theories of Light through Telescope. Expect about 2 questions in NEET — roughly 8 of 720 marks.

Updated 25 Aug 2026 15 topics Physics · Class 12
In short

Ray Optics and Optical Instruments is a Class 12 Physics chapter covering 15 topics. Expect about 2 questions in NEET — roughly 8 of 720 marks.

15
Topics
In this chapter
2
Expected questions
≈ 8 of 720 marks
12
Class
Physics
97
Chapters in the syllabus
27 in Physics

Topics covered #

15 topics, in teaching order.

  1. Introduction & Previous Theories of Light
  2. Reflection on Plane Surface
  3. Reflection on Spherical Surface Part 1
  4. Reflection on Spherical Surface Part 2
  5. Lateral Magnification & Related Topics
  6. Refraction
  7. Prism Theory
  8. Total Internal Reflection(TIR)
  9. Image Formation in Refraction
  10. Lens
  11. Image Formed by Lens
  12. Human Eye
  13. Defects in Human Eye
  14. Simple & Compound Microscope
  15. Telescope

Weightage #

Expect about 2 questions in NEET — roughly 8 of 720 marks.

2 of 180 questions · 8 of 720 marks
This chapter's share of the paper. Weightage is indicative — it reflects how many questions have typically come from here, not a guarantee for any single year.

Practise this chapter #

Reading it once is not the same as being able to answer it under time.

Practice questionsChapter-wise MCQs with solutions Video lecturesTopic-by-topic walkthroughs Chapter testExam-format, timed NEET previous-year questionsPast questions from this chapter AIIMS previous-year questionsOlder AIIMS papers, same syllabus

Next in Physics

← PreviousElectromagnetic Waves

Frequently asked #

How many questions come from Ray Optics and Optical Instruments in NEET?
About 2 questions — roughly 8 of the 720 marks available. It is a Class 12 Physics chapter.
What topics does this chapter cover?
15 topics — from Introduction & Previous Theories of Light through Telescope. The full list is above.
Where can I practise Ray Optics and Optical Instruments?
Chapter-wise MCQs, video lectures, a timed chapter test, and both NEET and AIIMS previous-year questions — all linked above.