Physics Part 1 Text Book Ncert Class 11th Physics Part I & II Textbook For Class XI (Set Of Two Books) is an authentic prescribed textbook for students following the CBSE curriculum in class XI. this is the first part. Comprehensively prepared according to the NCERT syllabus, the book can meet the needs of the student community. Efforts have been made to ensure that the book equips students with the fundamentals of physics, helping them earn good scores for board examinations and various other competitive examinations.