Four identical metal cans are filled with hot water and left to cool in the same cool room. Each can has a different outer surface. The water in which can cools down most quickly?
the can with the shiny silver surface
the can with the matt black surface
the can with the shiny black surface
the can with the matt white surface
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.