Ray Optics and Optical Instruments
Reflection at plane and spherical mirrors, refraction, total internal reflection, prisms, thin lenses, lens combinations and the optical instruments built from them — a high-scoring, formula-driven chapter where sign convention decides your marks.
18 min readWeightage: 5–6% (3–4 questions in NEET, 1–2 in JEE Main)30-question chapter test included
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Want this taught live? ICSE / IGCSE 2027 & 2028 batches
Ray Optics and Optical Instruments (Physics) is part of the ICSE & IGCSE syllabus plan. Pick the batch by the year you appear in — Class 11 students join the two-year ICSE / IGCSE 2028 program, Class 12 students and repeaters join the one-year or crash program for ICSE / IGCSE 2027.
- ICSE / IGCSE 2027 online coaching — 1 year Class 12 batchFull syllabus, revision and test series for the ICSE & IGCSE 2027 attempt in batches of 20 — every formula here is drilled through daily practice.
- ICSE / IGCSE 2028 two year course for Class 9-10 studentsStart early: a two-year ICSE & IGCSE 2028 program that builds concepts alongside school, with board-level support.
- 1-on-1 ICSE / IGCSE 2027 & 2028 tutoring at $15 per hourPersonal mentor, flexible timings and a plan built around the chapters you keep losing marks in.
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