TEXTBOOK OF PHYSICS FOR ENGINEERS, Volume II explains how the Quantum Concept was developed and explains the Black-body spectrum, Photoelectric effect and Compton effect along with the way of development of Quantum Mechanics and its applications, such as quantum-tunneling. This book discusses materials and their uses in electronic devices such as LED. Lasers and their applications which constitute on important part of modern technology is discussed in detail as also the Lasers and their applications to the extent of Holography, Thermal physics and some specific phenomena such as liquefaction of gases. KEY FEATURES: Each topic explained with the help of simple exercises Each chapter supplemented by multiple choice questions