This book has been a favorite and first choice of students & has been designed for the students of Class XII. The present book for Class XII has been designed to ensure Complete Study material. The whole syllabus has been divided into various chapters covering Electric Charges & Fields, Electrostatic Potential & Capacitance, Current Electricity, Moving Charges & Magnetism, Magnetism & Matter, Electromagnetic Induction, Alternating Current, Electromagnetic Waves, Ray Optics & Optical Instruments, Wave Optics, Dual Nature of Radiation & Matter, Atoms, Nuclei, Semiconductor Electronics and Communication Systems. Detailed theoretical content supported by illustrations, tables, flow charts, etc. has been provided in the book to help in effective comprehension of the concepts. At the end of each chapter, Conceptual questions has been added which were asked in previous years’ Class XII CBSE Board Examinations. Very important numerical problems are also added at the end of each chapter.