A solar thermal power station uses thousands of tracking mirrors to focus sunlight onto a central receiver at the top of a tower. Inside the receiver, a heat-transfer fluid is pumped through thick steel pipes to absorb the concentrated thermal energy.
State how energy is transferred through the solid steel walls of these pipes from their hot outer surface to the fluid inside.
82 exam-style questions on Edexcel GCSE Physics 3.1 Energy stores and calculations. Each one has a worked solution and a mark scheme showing where the marks go.