The book is structured as follows:
Introduction
The Laws of Thermodynamics

Second Law of Thermodynamics
Entropy
Thermodynamic Potentials and Maxwell Relations
Kinetic Theory of Gases

Real Gases
Applications to Some Irreversible Changes, Cooling of Real Gases
Theory of Radiation
Elementary Statistical Mechanics

This textbook offers a clear and systematic introduction to the fundamental concepts of thermal physics and elementary statistical mechanics. It is designed to present topics in a holistic manner, incorporating numerous solved examples, multiple-choice questions, and end-of-chapter exercises to facilitate self-learning. The book also includes illustrated diagrams to enhance understanding, making it suitable for students undertaking introductory courses in thermal physics, thermodynamics, and statistical mechanics .