This immensely valuable book of Solved Previous Years' Papers of Joint CSIR-UGC NET for Physical Sciences is specially published for the aspirants of Junior Research Fellowship (JRF) & Lectureship Eligibility Exam. The book comprises several Solved Previous Years' Papers for CSIR-UGC NET exams on the subject which are solved by Experts. Detailed Explanatory Answers have also been provided for selected questions in such a manner to be useful for both study and self-practice from the point of view of the exam. The book will help you understand the recent trends of exam and also serve as a true test of your studies & preparation for the exam. The book is highly recommended to improve your problem solving skills, speed and accuracy, and help you prepare well by practising through these papers to face the exam with Confidence, Successfully.