Problems in General Physics is a physics textbook by I.E. Irodov. It is published as a two-volume set. The book is extensively popular amongst students preparing for competitive exams, especially the JEE (Joint Entrance Examination). It is considered as the best book for IIT/JEE exam preparation by students, teachers. I E Irodov Solutions - Part 1 Chapter-wise Solutions :- Part 4. Oscillations and waves 4.1 Mechanical Oscillations 4.2 Electric Oscillations 4.3 Elastic Waves. Acoustics 4.4 Elec