Exam idea of physics is is very good book it is a book in which each question which is in previous year question paper is given in this paper along with solurion it is a book which is read once by every student who is giving class12 cbse exam very good book though I realised in this book there is mock test is also given several sets of sample paper is also given with solution which helps us to time management for final exam very good book one marks question 2 marks questions and 3 marks questions are asked and answered in this book