Welcome to Thermodynamics Part-03! In this video we cover the Second Law of Thermodynamics, Heat Engine, Carnot Cycle, and Refrigerator/Heat Pump in the easiest and most exam-oriented way. 🔥 Topics Covered: ✔ Kelvin–Planck Statement ✔ Clausius Statement ✔ Heat Engine – Working & Efficiency ✔ Carnot Engine – Carnot Cycle, PV Diagram ✔ Refrigerator – COP & Applications ✔ Important formulas + shortcuts ✔ Class XI Physics | Semester 02 (New Syllabus Friendly) This video is perfect for Class 11 Physics, Madhyamik/XI–XII Foundation, and competitive exam basics. 📚 Don’t forget to Like, Share & Subscribe! thermodynamics class 11 second law of thermodynamics heat engine class 11 carnot cycle explained refrigerator cop class 11 physics sem 02 thermodynamics thermodynamics part 03 heat engine and refrigerator physics class xi chapter thermodynamics carnot engine efficiency kelvin planck statement clausius statement thermodynamics pv diagram carnot cycle physics tutorial hindi bengali board exam physics preparation #Thermodynamics #SecondLawOfThermodynamics #HeatEngine #CarnotCycle #RefrigeratorCOP #Class11Physics #Semester02 #PhysicsLecture #ExamPreparation #PhysicsForYou