A student recorded the temperature of hot water in a can every two minutes. One of the recorded temperatures was much higher than the pattern shown by all of the other readings. What should the student do about this reading?
Repeat the reading at that time and check the value again.
Change the outer surface of the can and start the whole investigation again.
Remove every reading that was taken after the unusual reading.
Draw a line of best fit that passes through all of the plotted points.
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.