This book has been written in general properties of the subject matter. This change is that paper division in the examination is different universities. One of salient course syllabi features of the present edition of the book is the inclusions of a large number of typical worked out problems which will elucidate various abstract principles and theories discussed in the text. It covers the complete syllabus of physics prescribed by technical universities. The treatment given is simple, lucid and comprehensive. The language used is simple.