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 fundamental understanding in Physics. The book, Physics Galaxy Vol. 2 consists of detailed theory, illustrations & practice questions on: Chapter-1: Heat and Thermal Expansion Chapter-2: Kinetic Theory of Gases and Gas Laws Chapter-3: Thermodynamics Laws & Specific Heats of Gases Chapter-4: Heat Transfer Chapter-5: Oscillation and Simple Harmonic Motion Chapter-6: Waves