Ashish Arora is a distinguished academician, author, guide & Physics guru at International level. He has been mentoring students for IIT-JEE, NEET & IPhO since 1992. Many of his students have secured under Top 10 AIRs in various years' IIT-JEE & NEET including AIR 1 multiple times and won several GOLD & SILVER medals in IPhO in various countries.This book of PHYSICS GALAXY is a result of deep stress and serious efforts of the brain of Ashish Arora to develop a fundamental understanding in Physics.This book Physics Galaxy Vol.2 consists of detailed theory, illustrations & practice questions on:Chapter 1: Heat and Thermal ExpansionChapter 2: Kinetic Theory of Gases and Gas LawsChapter 3: Thermodynamics Laws & Specific Heats of GasesChapter 4: Heat TransferChapter 5: Oscillation and Simple Harmonic MotionChapter 6: Waves