A Textbook of Engineering Physics provides a systematic and technical exploration of fundamental physics concepts essential for engineering applications. The book systematically covers key topics such as wave optics, quantum mechanics, electromagnetism, fibre optics ensuring a strong theoretical foundation. Concepts are reinforced with mathematical formulations, real-world examples, and problem-solving approaches to enhance learning. Designed for engineering students, it bridges theoretical principles with practical applications, making it a comprehensive resource for understanding the role of physics in engineering innovation and technological development.