CAPE Physics Unit 1 · 2014 · Paper 2 · Question 6(b)(i)

The wall of a cold store is constructed from two layers of brick with a foam-filled cavity between, as shown in Figure 4. Each brick layer is 10 cm thick and the foam cavity is 5 cm wide. The outside temperature is 30 °C and the inside temperature is -5 °C.

Sketch a graph to show how the temperature would vary across the wall.

This question uses a figure or table from the paper — you'll see it when you practise.