The Present book S.Chand’s Principle of Physics is written primarily for the students preparing for CBSE Examination as per new Syllabus. Simple language and systematic development of the subject matter. Emphasis on concepts and clear mathematical derivations. Ample illustrations for quick understanding derivations. Conceptual Questions and Numerical Problems for Competitive Examination. In present addition, authors have made science efforts to make the book up-to-date. There re notable features of this edition including Answers to very short answer questions. Answers to short answer questions and solution of NCERT Textbook exercises. Keeping in view the growing demands of fast developing science and technology, a large number of practical problems have been added to make practically oriented.