9th Class Physics Notes 2026 – Chapter 7
Download PDF Class 9 Physics Notes – Chapter 7: Thermal Properties of Matter Punjab Board | 2026 A. Multiple Choice Questions 7.1. How do the molecules in a solid behave? (a) Move randomly(b) Vibrate about their mean positions(c) Rotate and vibrate randomly at their own positions(d) Move in a straight line from hot to…
