There are number of books on simple harmonic and wave motion in the market for the use of degree students in various universities in India. It is the experience of author that the average students need the treatment of theory in a way that should be easily comprehensible to him. Therefore fan effort has been made in this book to put the matter in a very lucid and simple way to that even a beginner has no difficulty is grasping the subject. Each chapter for this book contains complete theory and fairly large number of solved examples sufficient problems have also been selected from various university examination paper. At the end of each chapter an exercise containing objective questions only has been given.