This book is written specifically to address the course curriculum in engineering physics for first-year students of all branches of engineering. Though most of the topics covered are customarily taught in universities and institutes, the book follows the sequence of topics as prescribed in the course syllabus of engineering colleges in Tamil Nadu. This new edition presents the fundamental concepts of physics in a pedagogically sound manner. It includes a new chapter on thermal physics, which is essential for core engineering students. Furthermore, topics such as crystal growth techniques, estimation of packing density of diamonds, and the relation between three moduli of elasticity are included. Key features:* Includes numerical problems (solved and unsolved) to strengthen problem-solving ability.* Short and long questions at the end of each chapter.* Model test papers with solutions.* Chapter end summaries.