The book Engineering Physics is designed for the First-Year Engineering students at Jawaharlal Nehru Technological University Kakinada/Vizianagaram/Anantapur and other universities in Andhra Pradesh. The book is written with the singular objective of providing the students with a distinct source material as per the syllabus. The book covers important topics such as Interference, Diffraction, Polarization, Crystallography. X-ray Diffraction, Dielectric Materials, Magnetic Materials, Quantum Mechanics, Free Electron Theory, Semiconductors, Lasers, Fibre Optics etc. Throughout the book attention is given to the proper presentation. It has all the features essential to arouse interest and involve students in the subject.