関連ワード:  physics class 9 cbse syllabus    class 9 cbse physics syllabus 2024 25    physics syllabus class 9 cbse 2023 24    physics syllabus class 9 cbse 2025 26    class 9 cbse physics syllabus 2024 25 term    physics deleted syllabus class 9 cbse 2023 24    cbse class 9 physics syllabus pdf    cbse class 9 physics syllabus 2025    cbse class 9 physics syllabus pdf download    cbse class 9 and 10 physics syllabus