A steel band is used to reinforce a cylindrical granite pillar. The inner diameter of the band is initially slightly smaller than the outer diameter of the pillar. Which action would make it easiest to fit the steel band over the granite pillar?
cooling the steel band
heating the steel band
heating the granite pillar and cooling the steel band
heating the granite pillar but not heating or cooling the steel band
96 exam-style questions on CIE IGCSE Physics 2.2.1 Thermal expansion of solids, liquids and gases. Each one has a worked solution and a mark scheme showing where the marks go.