Synopsis The book is specially designed for B.E./B. Tech. students of all branches of engineering and technology. Efforts have been made to explain the fundamental concepts in a simple and comprehensive manner so that B.Sc. Pass and Honours students can use this book as a reference. The unique strength of this book is the mathematical and scientific approach. Multiple-choice questions, short- and long-answer type questions, and numerical problems are provided in Appendix II of this book as exercise for students.