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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.
ICSE Class 10th Physics Syllabus 2026: Get here detailed syllabus of ICSE for Class 10 for the new academic session 2025-2026. Download the Physics PDFs to know the course contents and assessment ...