This new edition of Comprehensive Lab Manual–Physics for Class XI is according to the latest syllabus prescribed by ISC Board. It is complete in all respects to meet the requirement of our talented teachers,colleagues and illustrious students.The salient features of the book are:• In each chapter, complete theory has been given for all topics, even if there is no experiment based on them. This has been done to maintain continuity.• Experiments have been described systematically covering all parts, especially the procedure has been given step-wise.• At the end of each experiment or group of similar experiments, a sufficient number of oral questions with answers have been given for viva voce.• A number of demonstration experiments and investigatory projects have been given at the end of the book.This single book is 'three-in-one' serving as a theory, a practical and an oral question-answer book.