By R. L. Madan
For B. Sc. I. II and III Year As Per UGC Model Curriculumn
* Enlarged and Updated edition
* Including Solved Long answer type and short answer type questions and numerical problems
* Authentic, simple, to the point and modern account of each and every topic
* Relevant, Clear, Well-Labelled diagrams
* Questions from University papers of various Indian Universities have been included