This book is being presented with a very simple objective—it will test you and nurture you on all parameters which are required to excel in JEE exam. Every chapter in the book has been divided into three sections : LEVEL 1—This section will test you on all basic fundamentals of the chapter. Problems are not very rigorous though they may be very conceptual. LEVEL 2—This section will develop all necessary skills required to score a high rank in JEE exam. Few problems in this section may appear lengthy but they are the ones which test your confidence and patience. Don’t be scared of them. LEVEL 3—This section contains problems that may require exceptional reasoning skill or mathematical ability. You will find this collection of problems as fresh and challenging. Attempt and enjoy learning physics!