Heat - Theory Notes - Physics 12th Table of contentTheory Notes, Definitions from chapter # 11 "Heat" for class XII, 12th, Second Year Heat - Theory Notes - Physics XII Theory Notes, Definitions from chapter # 11 "Heat" for class XII, 12th, Second Year Physics Notes XII,Physics Theory Notes XII Physics second year theory notes from chapter Heat Heat Chapter List | Theory | Question Answers | MCQs | Online MCQs