This book has been revised according to the new NCERT syllabus prescribed by the CBSE. In this book, the various topics of physics have been explained in such a simple way that while reading this book, a student will feel as if a teacher is sitting by his side and explaining the various things to him. Contents: Part-1: 1.Electricity 2. Magnetic Effect of Electric Current 3.Sources of Energy 4.Reflection of Light 5. Refraction of Light 6.Human Eye and the Colourful World Multiple Choice Questions (MCQ`s) based on Practical Skills in Science (Physics)