Class 11 Physics Refraction at plane surfaces Notes and Important Questions

This page covers Refraction at plane surfaces, chapter 15 of 26 in the Class 11 Physics syllabus set by the National Examination Board (NEB). Important questions for this chapter are being added.

For numerical and derivation-based chapters like this one, working through past NEB questions is usually more useful than re-reading notes alone — try solving each important question above before checking the solution, then compare your working step by step.