The 11th Class Physics Key Book is a book that will be useful to students in their studies. It contains the notes of the first year physics course. The notes are organized by the chapters of the first year course. Each chapter is divided into short questions and detailed explanations. The app has been designed to be easy to use and the UI is minimalistic so that it is easy for students to concentrate on the content which really matters the most. The notes are well organized and will help students to understand the concepts of the subject. The app contains MCQs, short questions, and numerical problems of each chapter.