Power of Lens | Ray Optics | Class 11 Physics | By Dr. Rinu Sir | Turbo Science In this video, Dr. Rinu Sir explains the Power of Lens from the chapter Ray Optics in a simple and conceptual way. The lecture focuses on understanding the physical meaning of power, its formula, unit, and sign convention, which are very important for Class 11 board exams, NEET, and JEE. The topic is explained with clear theory, numerical examples, and exam-oriented points, making it easy for students to apply the concept in problems. 🔍 Topics covered in this video: • What is Power of a Lens • Formula of power of lens (P = 1/f) • Sign convention for lenses • Power of convex and concave lens • Relation between focal length and power • Important numerical-based concepts 🎯 Who should watch this video? ✔️ Class 11 Physics students ✔️ NEET & JEE aspirants ✔️ Board exam preparation ✔️ Students learning Ray Optics 👍 If you find this video helpful, Like, Share & Subscribe to Turbo Science Channel for more conceptual Physics lectures by Dr. Rinu Sir. 🔖 #PowerOfLens #RayOptics #Class11Physics #PhysicsByDrRinuSir #TurboScience #NEETPhysics #JEEPhysics #BoardExamPhysics power of lens power of lens class 11 ray optics power of lens power of lens physics lens power formula dioptre unit of power convex lens power concave lens power power of lens numericals ray optics class 11 physics lens formula and power sign convention of lens class 11 physics ray optics neet ray optics physics jee ray optics physics board exam physics class 11 physics by dr rinu sir turbo science physics ray optics easy explanation physics one shot class 11