For B.Sc. students as per UGC Model curriculum. In this edition, Exercises at the end of each chapter now contains questions asked by the various Indian Universities upto summer 2009. Numerical Examples are also modified by incorporating the solved numerical problems asked up to summer 2009, by various universities. A new chapter has been added 'Global Warming' at the end of the present book as 18th chapter. Global warming is one of the most serious challenges facing us today. Table Of Contents: SECTION-I: KINETIC THEORY OF MATTERSECTION-II: THERMODYNAMICSSECTION-III: STATISTICAL PHYSICSSECTION-IV: HEAT FLOW AND AIR CONDITIONINGAPPENDIX-I: Physical constantsAPPENDIX-II: Nobel LaureatesINDEX