Refraction from Denser to Rarer Medium at Convex Spherical Surface | Concave | Class 12 | Ray Optics

Ray Optics Class 12 Physics Refraction from convex and concave refracting surface Denser to rarer medium In this video, I have explained: ✅ Concept of Refraction from Denser to Rarer Medium ✅ Refraction at a Convex Spherical Surface ✅ Refraction at a Concave Spherical Surface ✅ Step-by-Step Derivation Using Snell’s Law ✅ Formation of Real & Virtual Images in Both Cases ✅ Mathematical Expression for Image Formation ✅ Sign Conventions for Refraction at Spherical Surfaces ✅ Importance of This Concept in Optics & Lens Maker's Formula ✅ Why This Topic is Important for Class 12 Boards & Competitive Exams? Key Topics Covered in the Video: 🔹 What Happens When Light Travels from a Denser to a Rarer Medium? 🔹 Understanding Refraction at a Convex Spherical Surface 🔹 Understanding Refraction at a Concave Spherical Surface 🔹 Mathematical Derivation of Refraction Formula 🔹 Snell’s Law Application in Spherical Refraction 🔹 When Do We Get a Real Image? When Do We Get a Virtual Image? 🔹 Formula for Refraction at Spherical Surfaces 🔹 Sign Conventions for Refracting Surfaces 🔹 How This Concept is Useful in Lenses? 🔹 Board Exam & Competitive Exam-Oriented Discussion Why Watch This Video? 🔹 Step-by-Step Derivation with Clear Explanation 🔹 Important for Class 12 Boards, NEET & JEE Aspirants 🔹 Covers All Exam-Oriented Theory & Numerical Concepts 🔹 Graphical & Mathematical Analysis Included 🔹 Helps in Solving Refraction-Based Questions Easily Time stamp 00:00 = Convex Spherical Surface 18:05 = Concave Spherical Surface Refraction at convex spherical surface Refraction at concave spherical surface Refraction from denser to rarer medium Denser to rarer medium refraction class 12 Convex refracting surface derivation Concave refracting surface real and virtual image Refraction at curved surfaces Snell’s Law for spherical refraction Real and virtual image in refraction NEET physics refraction derivation JEE physics refraction through spherical surface CBSE physics ray optics derivations Physics derivation for board exams Refraction of light at curved surface Numerical problems on spherical refraction Total internal reflection in curved surfaces 🎯 Watch this full video to master Refraction at Spherical Surfaces from Denser to Rarer Medium! 📩 Have any doubts? Drop them in the comments – I’ll be happy to help! 😊 🔥 Like, Share & Subscribe for More Exam-Oriented Physics Lectures! 🔥 Refraction at spherical surface class 12 Convex refracting surface derivation Refraction formula at spherical surface Snell’s Law in spherical refraction Refraction from rarer to denser medium Lens Maker’s Formula derivation concept Real and virtual image formation by refraction Class 12 ray optics important derivations NEET physics refraction derivation JEE physics refraction through spherical surface CBSE physics ray optics chapter derivations Numerical problems on refraction at spherical surfaces Refracting surface sign convention Physics derivation for board exams Refraction laws for curved surfaces Mirror formula derivation concave mirror Class 12 ray optics mirror formula Concave mirror real image derivation Spherical mirror formula class 12 CBSE class 12 physics ray optics Mirror formula derivation step by step NEET physics ray optics mirror formula JEE physics concave mirror derivation Magnification formula concave mirror Ray diagram for concave mirror real image Concave mirror numerical problems Derivation of mirror equation for spherical mirrors Derivation of Mirror Formula for Concave Mirror Spherical Mirror Formula Class 12 Physics Concave Mirror Ray Diagram for Real Image Formula for Image Formation in Concave Mirror Proof of Mirror Formula Using Geometry Derivation of Mirror Equation for Spherical Mirrors Mirror Formula and Magnification in Concave Mirror Mirror Formula for Board Exams, NEET & JEE Class 12 Physics Ray Optics Chapter Ray Optics Important Derivations for Boards Concave Mirror Image Distance Formula How to Derive Mirror Formula Easily? Spherical Mirror Sign Conventions Explained Concave Mirror and Its Uses in Optics Geometric Proof of the Mirror Formula Spherical Mirrors – Concave & Convex Formulae #boardexam2025 #cbse12physics #physics #cbseclass12physics #optics #rayoptics #mirrorformula #derivation #physicsderivation #physicslecture #cbse #electrostatics #12thphysics #2025 #exampreparation #boardexampreparation #concave_mirror #convexmirror #concavelens #convexlens #reflection #refraction