23 April 2026

Welcome to Class 10 Science Chapter – Light (Reflection & Refraction) | Lecture 3. In this lecture, we cover Spherical Lenses, one of the most important topics for board exams.

Topics covered:
✔ Types of lenses (Convex & Concave)
✔ Image formation by lenses (ray diagrams)
✔ Lens formula & magnification
✔ Sign convention for lenses
✔ Important numericals & examples

This lecture is very important for understanding how images are formed by lenses and solving board exam questions with confidence.
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Видео 23 April 2026 канала selectionable class 10