In this video, we cover one of the MOST IMPORTANT questions of AKTU Engineering Physics #btechphysics #btechpolybyak #quantummechanics #engineeringphysics #aktuphysics #quantumphysics #physicsforengineers #importantquestions #pyq Unit 1 (Quantum Mechanics): “Deduce the Expression for Phase Velocity, Group Velocity and Their Relation.” You will learn: ✔ What is Phase Velocity (vp) ✔ What is Group Velocity (vg) ✔ Complete Derivation of Phase Velocity ✔ Complete Derivation of Group Velocity ✔ Relation Between Phase Velocity & Group Velocity ✔ Condition where vp × vg = c² ✔ Important formulas for AKTU Exams ✔ Expected 7-8 marks question (Very Important for B.Tech 1st Year) This video is specially designed for AKTU B.Tech 1st Year Physics students for Unit 1 Quantum Mechanics. Watch till the end for full understanding + exam-oriented explanations! Channel Name: Btechpoly by AK 1️⃣ AKTU Unit 1 Quantum Mechanics | Phase Velocity & Group Velocity Full Derivation 2️⃣ Phase Velocity vs Group Velocity | Derivation, Relation, Formulas | AKTU Engg Physics Unit 1 3️⃣ Most Important Question! Derive Expression for Phase & Group Velocity | AKTU B.Tech Physics Unit 1 4️⃣ Phase & Group Velocity Explained in Easy Way | Complete Derivation | AKTU Quantum Mechanics 5️⃣ AKTU Unit 1: Derive Phase Velocity, Group Velocity & Their Relation (vg·vp = c²) 6️⃣ Quantum Mechanics Unit 1 | Phase Velocity, Group Velocity & Relation Derivation | AKTU Exam Special 7️⃣ Engineering Physics Unit 1 | Wave Velocity Derivations | Phase & Group Velocity AKTU Important 8️⃣ AKTU B.Tech Physics | Derivation of vp, vg & vg/vp Relation | Most Expected Exam Question AKTU physics unit 1 phase velocity derivation group velocity derivation phase and group velocity vp vg relation vp into vg equals c square AKTU quantum mechanics AKTU btech physics unit 1 quantum mechanics derivations most important questions aktu phase velocity group velocity explanation wave velocity physics Btechpoly by AK engineering physics derivations #AKTU #EngineeringPhysics #Unit1QuantumMechanics #PhaseVelocity #GroupVelocity #AKTUBTech #QuantumMechanics #BtechpolyByAK #WaveVelocity #vpvg #ExamPreparation #PhysicsDerivations #AKTUImportantQuestions