Thermal Physics Unit 1 Revision | All PYQs Solved | First Law & Thermodynamic Processes

In this video, we complete Thermal Physics Unit–1 with a full revision through previous year questions (PYQs). 📘 Topics covered: • Thermodynamic equilibrium & Zeroth Law • Heat and Work • First Law of Thermodynamics (differential form) • Internal Energy • Work done in different thermodynamic processes (Isothermal, Adiabatic, Isochoric, Isobaric) • PYQ-based numerical and conceptual problems This video is designed especially for: • BSc Physics (DU and similar universities) • Semester exams & end-term revision • Students who want concept clarity + exam practice together 📌 Next videos: Thermal Physics Unit–2 (Second Law, Carnot Engine & PYQs) 📂 Notes / questions (to be added): https://drive.google.com/file/d/1dToZ... Feedback and questions are always welcome in the comments. Let’s learn physics the right way — step by step.