Pressure in A Gas and Derivation | Lecture 3 | Class 12 Physics, Chapter-13 |New Book-2026

Pressure of Gas According to Kinetic Theory & Its Derivation | Lecture 3 | Physics Chapter 13 (Thermal Physics) | New Book 2026 Welcome to Infinity Physics Concepts! In this lecture, Sr Waqas Amin (MPhil Physics) explains Pressure of Gas according to the Kinetic Theory of Gases with a complete mathematical derivation in a simple and exam-oriented way according to the Punjab Board New Physics Book 2026. This lecture is highly beneficial for: FSc Part-2 (Punjab Board 2026) MDCAT Preparation ECAT Preparation O Level & A Level Students IGCSE & Edexcel Students University Entrance Tests 📘 Topics Covered ✔ Pressure of Gas according to Kinetic Theory ✔ Assumptions of Kinetic Theory of Gases ✔ Step-by-Step Mathematical Derivation ✔ Momentum Change of Gas Molecules ✔ Force Exerted by Gas Molecules ✔ Pressure Formula Derivation ✔ Relation Between Pressure and Molecular Motion ✔ Important Board & MDCAT Concepts If this lecture helps you understand the topic, please: 👍 Like the video 💬 Comment your questions below 📤 Share it with your friends and classmates 🔔 Subscribe to Infinity Physics Concepts and press the bell icon for more quality Physics lectures. 📱 Follow Sr Waqas Amin on Social Media 📸 Instagram: https://www.instagram.com/waqas_amin5... 📘 Facebook Profile:   / ⁠�   📘 Facebook Page:   / ⁠�   🎵 TikTok: https://www.tiktok.com/@waqas.amin043... Pressure of Gas, Kinetic Theory of Gases, Pressure Derivation, Thermal Physics Chapter 13, Physics Chapter 13, New Physics Book 2026, Punjab Board Physics 2026, FSc Physics, Kinetic Theory, Gas Pressure Formula, Physics by Sr Waqas Amin, Infinity Physics Concepts, MDCAT Physics, ECAT Physics, O Level Physics, A Level Physics, IGCSE Physics. #PressureOfGas #KineticTheory #ThermalPhysics #PhysicsChapter13 #FScPhysics #PunjabBoard2026 #PhysicsLecture #Physics2026 #MDCATPhysics #ECATPreparation #OLevelPhysics #ALevelPhysics #IGCSEPhysics #InfinityPhysicsConcepts #SrWaqasAmin #PhysicsTeacher #LearnPhysics #PhysicsDerivation #GasPressure #Education #YouTubeEducation #PhysicsClasses #PakistanEducation #BoardPreparation #StudyPhysics