Class 12 Physics 🔥 Power of Lens & Combination of Lenses | Lecture 9 | Ray Optics | CBSE Board 2027

📚 Class 12 Physics – Ray Optics and Optical Instruments | Lecture 9 Welcome back to our Class 12 Physics series! 🚀 In this lecture, we will cover Power of a Lens and Combination of Lenses in a simple, NCERT-based and exam-oriented way. 🎯 If you are preparing for the CBSE Class 12 Physics Board Exam 2027, this lecture will help you understand the concepts, master important formulas and solve numerical questions confidently. 📖 Topics Covered in This Lecture: ✅ Power of a Lens ✅ Formula: P = 1/f ✅ SI Unit of Power – Dioptre (D) ✅ Power of Convex and Concave Lenses ✅ Combination of Thin Lenses in Contact ✅ Formula: P = P₁ + P₂ ✅ Important NCERT Concepts and Formulas ✅ Board Exam-Oriented Numericals ✅ Important Questions for CBSE Board Exam 2027 💡 Why Watch This Lecture? ✔️ Easy-to-understand explanations ✔️ NCERT-based preparation ✔️ Important formulas for quick revision ✔️ Concept clarity for numerical problems ✔️ Helpful for CBSE Board Exam preparation 🎯 Who Should Watch? • Class 12 Physics students • CBSE Board Exam 2027 aspirants • Students revising Ray Optics • Students preparing for school tests and competitive exams 📌 Watch the complete Ray Optics lecture series and strengthen your Physics concepts step by step. 👍 LIKE this video if it helps you learn Physics. 💬 COMMENT your doubts and questions. 🔔 SUBSCRIBE for more Class 12 Physics lectures, derivations, numericals, NCERT solutions and board exam preparation. 📚 Next Goal: Understand Physics, Practice Numericals, Score Better! #Class12Physics #RayOptics #PowerOfLens #CombinationOfLenses #CBSEBoard2027 #PhysicsLecture #NCERTPhysics #Class12BoardExam #OpticalInstruments #PhysicsNumericals #CBSEPhysics #BoardExamPreparation #DuaPhysics