One of the authors, Dr. Pramod Agarwal has written books for competitions, (i) G.R.B. Objective Physics for NEET and fil) G.R.B. Objective Physics for JEE (Mains) which are popular all over India since last twenty two years. Seeing the grand success of these books and consistent demand of ICSE Board students and teachers, authors and publishers decided to present a book for PHYSICS for student of IX and X of ICSE Board also. Keeping in mind to present a COMPLETE TEXT BOOK for ICSE students, authors have made sincere efforts to cover the text matter in a very simple and lucid language giving both solved and unsolved examples in every article of every chapter. Furthermore, as question bank covering various types of exercises is also given in every chapter of the books which will be very helpful for the self practice of students.