Maharashtra BoardEnglish MediumSTD 10Science[ Question Bank ] - 20222 Marks
Question
Write an Explanation. Principal focus
✓
Answer
Rays travelling parallel to the principal axis of a lens, after refraction, converge to a point on the principal axis or diverge in such a way that they appear to be coming out of a point on the principal axis. This point is called the principal focus of the lens.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.