CBSE Class 10 science chapter 9 is about light, reflection, and refraction. It is a diverse topic that includes multiple concepts. Check its mind map and download the free available PDF.

Get CBSE Class 10 Science chapter 10, Light ‒ Reflection and Refraction: NCERT Exemplar Problems and Solutions (Part-I).

Check NCERT Solutions for CBSE Class 10 Science Physics Chapter 9 Light – Reflection and Refraction: Intext Solutions Page No. -142 Question 1: Define the principal focus of a concave mirror.