A thermal image of a house shows the roof as bright white and the walls as dark blue. What does the image show about the roof?
The roof reflects more visible light each second than the walls.
The walls absorb more infrared radiation each second than the roof.
The roof emits more infrared radiation each second than the walls.
The walls emit more infrared radiation each second than the roof.
40 exam-style questions on AQA GCSE Physics 6.3 Black body radiation, covering 6.3.1 Emission and absorption of infrared radiation and 6.3.2 Perfect black bodies and radiation. Each one has a worked solution and a mark scheme showing where the marks go.